Off-Line Controllers

Switching Controllers

Fixed frequency flyback & forward PWM controllers, including current mode and voltage mode devices.

70 Products Shown(0 Products Filtered Out)   245 Orderable Parts  
Compliance  
Status  
Topology  
Control Mode  
fsw Typ (kHz)  
Stand-by Mode  
UVLO (V)  
Short Circuit Protection  
Latch  
Soft Start  
VCC Max (V)  
Drive Cap. (mA)  
Package Type  
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Select Product Data Sheet Compliance Status Description Topology Control Mode fsw Typ (kHz) Stand-by Mode UVLO (V) Short Circuit Protection Latch Soft Start VCC Max (V) Drive Cap. (mA) Package Type
  
 
 
 
                           
Select Product Data Sheet Compliance Status Description Topology Control Mode fsw Typ (kHz) Stand-by Mode UVLO (V) Short Circuit Protection Latch Soft Start VCC Max (V) Drive Cap. (mA) Package Type
  
 
 
 
                           
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, Dual OCP for Flyback Converters 
Flyback
Current Mode
100
Yes
9.3
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1240AD065R2G  
Pb-free
Halide free
 Product Preview     Controller, Fixed Frequency, Current Mode, Dual OCP for Flyback Converters, Latched OCP, 65kHz                      
SOIC-8
  NCP1240AD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, Dual OCP for Flyback Converters, Latched OCP, 100kHz 
Flyback
Current Mode
100
Yes
9.3
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1246AD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1246BD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1246BD065R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1246AD065R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1246ALD065R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters, , OVL Latch, Lower Limits 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     Fixed Frequency Current Mode Controller for Flyback Converters 
Step-Up/Step-Down
Current Mode
65
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1248AD065R2G  
Pb-free
Halide free
 Active     Fixed Frequency Current Mode Controller for Flyback Converters 
Step-Up/Step-Down
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1248AD100R2G  
Pb-free
Halide free
 Active     Fixed Frequency Current Mode Controller for Flyback Converters 
Step-Up/Step-Down
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     High Performance Combo Controller for ATX Power Supplies 
Half-Bridge
Current Mode
Up to 500
Yes
9/10.4
Yes
Yes
Yes
20
500 / 1000
SOIC-24
  NCP1910A100DWR2G  
Pb-free
Halide free
 Active     High Performance Combo Controller for ATX Power Supplies                     
SOIC-24
  NCP1910B65DWR2G  
Pb-free
Halide free
 Active     High Performance Combo Controller for ATX Power Supplies 
Half-Bridge
Current Mode
Up to 500
Yes
9/10.4
Yes
Yes
Yes
20
500 / 1000
SOIC-24
  NCP1910A65DWR2G  
Pb-free
Halide free
 Active     High Performance Combo Controller for ATX Power Supplies 
Half-Bridge
Current Mode
Up to 500
Yes
9/10.4
Yes
Yes
Yes
20
500 / 1000
SOIC-24
  NCP1910B100DWR2G  
Pb-free
Halide free
 Active     High Performance Combo Controller for ATX Power Supplies                     
SOIC-24
 
Pb-free
Halide free
 Product Preview     High-Voltage, Quasi-Resonant, Controller Featuring Valley Lock-Out and Power Saving Mode  
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
30
500 / 800
SOIC14 N MISSING PIN 13
  NCP1339HDR2G  
Pb-free
Halide free
 Product Preview     High-Voltage, Quasi-Resonant, Controller Featuring Valley Lock-Out and Power Saving Mode , 0.7 us Blanking 
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
30
500 / 800
SOIC14 N MISSING PIN 13
  NCP1339CDR2G  
Pb-free
Halide free
 Product Preview     High-Voltage, Quasi-Resonant, Controller Featuring Valley Lock-Out and Power Saving Mode  
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
30
500 / 800
SOIC14 N MISSING PIN 13
 
 
Pb-free
Halide free
 Product Preview     PWM Controller, Highly Integrated Dual-Mode Active Clamp 
Forward
Current/Voltage Mode
Up to 1.5 MHz
Yes
Yes
Yes
Yes
Yes
20 V
2000 / 3000
QFN-24
  NCP1565MNTXG  
Pb-free
Halide free
 Product Preview     PWM Controller, Highly Integrated Dual-Mode Active Clamp 
Forward
Current/Voltage Mode
Up to 1.5 MHz
Yes
Yes
Yes
Yes
Yes
20 V
2000 / 3000
QFN-24
 
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Enhanced Voltage Mode PWM Controller for Forward or Flyback 
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
SOIC-16
  CS51221EDR16G  
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Enhanced Voltage Mode PWM Controller for Forward or Flyback 
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
SOIC-16
 
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     PWM Controller, Integrated, Current Mode, for Forward or Flyback (36 - 75 V Telecom Supply) 
Flyback
Current Mode
400
No
Yes
No
No
Yes
75
200
SOIC-8
  CS5124XDR8G  
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     PWM Controller, Integrated, Current Mode, for Forward or Flyback (36 - 75 V Telecom Supply) 
Flyback
Current Mode
400
No
Yes
No
No
Yes
75
200
SOIC-8
  CS5124XD8G  
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     PWM Controller, Integrated, Current Mode, for Forward or Flyback (36 - 75 V Telecom Supply) 
Flyback
Current Mode
400
No
Yes
No
No
Yes
75
200
SOIC-8
 
Pb-free
Halide free
 Active     Up-to-1 MHz Dual Output (Push-pull or H-Bridge) Voltage-or-Current-Mode PWM Controller 
Push-Pull
Current/Voltage Mode
1000
No
Yes
Yes
No
Yes
30
200 / 200
PDIP-16
SOIC-16W
  MC33025PG  
Pb-free
Halide free
 Active     Up-to-1 MHz Dual Output (Push-pull or H-Bridge) Voltage-or-Current-Mode PWM Controller 
Push-Pull
Current/Voltage Mode
1000
No
Yes
Yes
No
Yes
30
200 / 200
PDIP-16
  MC33025DWR2G  
Pb-free
Halide free
 Active     Up-to-1 MHz Dual Output (Push-pull or H-Bridge) Voltage-or-Current-Mode PWM Controller 
Push-Pull
Current/Voltage Mode
1000
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-16W
 
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Flyback
Voltage Mode
200
No
Yes
No
No
Yes
42
200
SOIC-14
  MC33060ADR2G  
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Flyback
Voltage Mode
200
No
Yes
No
No
Yes
42
200
SOIC-14
  MC33060ADG  
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Flyback
Voltage Mode
200
No
Yes
No
No
Yes
42
200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
PDIP-16
SOIC-16W
  MC33067DWR2G  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
SOIC-16W
  MC33067PG  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
PDIP-16
  MC33067DWG  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
SOIC-16W
  MC34067PG  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
PDIP-16
  MC34067DWR2G  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
SOIC-16W
  MC34067DWG  
Pb-free
Halide free
 Active     High Performance Resonant Mode Controller 
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
SOIC-16W
 
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-16
SOIC-8
  MC33364DG  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-16
  MC33364D2G  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-8
  MC33364DR2G  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-16
  MC33364D1R2G  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-8
  MC33364D2R2G  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-8
  MC33364D1G  
Pb-free
Halide free
 Active     Critical Conduction Mode SMPS Controller 
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
SOIC-8
 
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Step-Up/Step-Down
Voltage Mode
200
No
Yes
No
No
No
42
200
SOIC-14
  MC34060ADG  
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Step-Up/Step-Down
Voltage Mode
200
No
Yes
No
No
No
42
200
SOIC-14
  MC34060ADR2G  
Pb-free
Halide free
 Active     Fixed Frequency, Single Ended, Voltage Mode PWM Controller 
Step-Up/Step-Down
Voltage Mode
200
No
Yes
No
No
No
42
200
SOIC-14
 
Pb-free
Halide free
 Active     LED Driver, High Efficiency, Single Stage, Power Factor Corrected 
Flyback
Current Mode
Up to 150
Yes
Yes
Yes
Yes
Yes
20
1000 / 1000
SOIC-16
  NCL30001DR2G  
Pb-free
Halide free
 Active     LED Driver, High Efficiency, Single Stage, Power Factor Corrected 
Flyback
Current Mode
Up to 150
Yes
Yes
Yes
Yes
Yes
20
1000 / 1000
SOIC-16
 
Pb-free
Halide free
 Active     LED Driver, Offline Buck, Power Factor Corrected 
Step-Down
Voltage Mode
Up to 250
No
Yes
 
No
 
20
500 / 800
SOIC-8
  NCL30002DR2G  
Pb-free
Halide free
 Active     LED Driver, Offline Buck, Power Factor Corrected 
Step-Down
Voltage Mode
Up to 250
No
Yes
 
No
 
20
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
Yes
35
300 / 500
TSOP-6
  NCL30080ASNT1G  
Pb-free
Halide free
 Active     Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting, , Latching for Critical Faults 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
Yes
Yes
35
300 / 500
TSOP-6
  NCL30080BSNT1G  
Pb-free
Halide free
 Active     Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
35
300 / 500
TSOP-6
 
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
Yes
35
300 / 500
TSOP-6
  NCL30081ASNT1G  
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting, , Latching for Critical Faults 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
Yes
Yes
35
300 / 500
TSOP-6
  NCL30081BSNT1G  
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting, , Auto recoverable 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
35
300 / 500
TSOP-6
 
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with thermal foldback 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
Yes
35
300 / 500
Micro8™
  NCL30083ADMR2G  
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with thermal foldback, and latching on faults 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
Yes
Yes
35
300 / 500
Micro8™
  NCL30083BDMR2G  
Pb-free
Halide free
 Active     Step Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with thermal foldback, and all faults are auto-recoverable 
Flyback
Current Mode
Up to 150
Yes
4.5
Yes
No
Yes
35
300 / 500
Micro8™
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
60
100
Yes
No
Yes
No
No
16
250 / 250
PDIP-8
SOIC-8
  NCP1200D60R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
60
Yes
No
Yes
No
No
16
250 / 250
SOIC-8
  NCP1200P100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
250 / 250
PDIP-8
  NCP1200P40G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
Yes
No
Yes
No
No
16
250 / 250
PDIP-8
  NCP1200D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
250 / 250
SOIC-8
  NCP1200P60G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
60
Yes
No
Yes
No
No
16
250 / 250
PDIP-8
  NCP1200D40R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
Yes
No
Yes
No
No
16
250 / 250
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
60
100
Yes
Yes
Yes
No
No
16
250
PDIP-8
SOIC-8
  NCP1203P60G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
60
Yes
Yes
Yes
No
No
16
250
PDIP-8
  NCP1203P100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
No
No
16
250
PDIP-8
  NCP1203D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
No
No
16
250
SOIC-8
  NCP1203D60R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
60
Yes
Yes
Yes
No
No
16
250
SOIC-8
  NCP1203P40G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
Yes
Yes
Yes
No
No
16
250
PDIP-8
  NCP1203D40R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Flyback, Current Mode 
Flyback
Current Mode
40
Yes
Yes
Yes
No
No
16
250
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Up to 1000
Yes
yes
Yes
Yes
Yes
16
500 / 500
PDIP-8
SOIC-8
  NCP1207ADR2G  
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Up to 1000
Yes
yes
Yes
Yes
Yes
16
500 / 500
SOIC-8
  NCP1207APG  
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Up to 1000
Yes
yes
Yes
Yes
Yes
16
500 / 500
PDIP-8
 
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Up to 1000
Yes
Yes
Yes
Yes
Yes
18
500 / 500
SOIC-8
  NCP1207BDR2G  
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Up to 1000
Yes
Yes
Yes
Yes
Yes
18
500 / 500
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
100
133
Yes
No
Yes
No
No
16
500
PDIP-8
SOIC-8
  NCP1216P100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
500
PDIP-8
  NCP1216D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
500
SOIC-8
  NCP1216P65G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
No
Yes
No
No
16
500
PDIP-8
  NCP1216D133R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
No
Yes
No
No
16
500
SOIC-8
  NCP1216P133G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
No
Yes
No
No
16
500
PDIP-8
  NCP1216D65R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
No
Yes
No
No
16
500
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
100
133
Yes
No
Yes
No
Yes
16
500
PDIP-8
SOIC-8
  NCP1216AD133R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
133
Yes
No
Yes
No
Yes
16
500
SOIC-8
  NCP1216AP133G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
133
Yes
No
Yes
No
Yes
16
500
PDIP-8
  NCP1216AD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
Yes
No
Yes
No
Yes
16
500
SOIC-8
  NCP1216AP65G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
Yes
No
Yes
No
Yes
16
500
PDIP-8
  NCP1216AD100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
100
Yes
No
Yes
No
Yes
16
500
SOIC-8
  NCP1216AP100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
100
Yes
No
Yes
No
Yes
16
500
PDIP-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
100
133
Yes
Yes
Yes
Yes
No
16
500
PDIP-8
SOIC-8
  NCP1217D133R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
No
16
500
SOIC-8
  NCP1217D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
No
16
500
SOIC-8
  NCP1217P100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
No
16
500
PDIP-8
  NCP1217P133G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
No
16
500
PDIP-8
  NCP1217P65G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
No
16
500
PDIP-8
  NCP1217D65R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
No
16
500
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
100
133
Yes
Yes
Yes
Yes
Yes
16
500
PDIP-8
SOIC-8
  NCP1217AP133G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
Yes
16
500
PDIP-8
  NCP1217AD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
16
500
SOIC-8
  NCP1217AP65G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
16
500
PDIP-8
  NCP1217AP100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
16
500
PDIP-8
  NCP1217AD133R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
Yes
16
500
SOIC-8
  NCP1217AD100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, with Duty Cycle Limited to 50% 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
16
500
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1218AD65R2G  
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
65
100
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1219AD65R2G  
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1219BD65R2G  
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1219AD100R2G  
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
100
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1219BD100R2G  
Pb-free
Halide free
 Active     PWM Controller with Adjustable Skip Level and External Latch Input  
Flyback
Current Mode
100
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
100
133
Yes
Yes
Yes
Yes
Yes
18
500 / 800
PDIP-8
SOIC-8
  NCP1230D65R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
18
500 / 800
SOIC-8
  NCP1230D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
18
500 / 800
SOIC-8
  NCP1230P100G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
18
500 / 800
PDIP-8
  NCP1230P133G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
Yes
18
500 / 800
PDIP-8
  NCP1230P65G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
18
500 / 800
PDIP-8
  NCP1230D133R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
133
Yes
Yes
Yes
Yes
Yes
18
500 / 800
SOIC-8
  NCP1230D165R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
18
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1234BD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1234BD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1234AD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1234AD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1236BD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1236AD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1236AD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1236DD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
  NCP1236BD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
  NCP1237BD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
  NCP1237AD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
  NCP1238AD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
  NCP1238BD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1244BD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters, 100 kHz 
Flyback
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1244AD065R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters, 65 kHz 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1244BD065R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters, 65 kHz 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1244AD100R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters, 100 kHz 
Flyback
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1247AD100R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
100
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1247AD065R2G  
Pb-free
Halide free
 Active     PWM Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
8.9
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller Featuring Peak Power Excursion and HV Startup 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC9 NB
  NCP1249BD65R2G  
Pb-free
Halide free
 Active     PWM Controller Featuring Peak Power Excursion and HV Startup, PWM Controller Featuring Peak Power Excursion and HV Startup (ActiveON) 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC9 NB
  NCP1249AD65R2G  
Pb-free
Halide free
 Active     PWM Controller Featuring Peak Power Excursion and HV Startup, PWM Controller Featuring Peak Power Excursion and HV Startup (ActiveON) 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC9 NB
  NCP1249CD65R2G  
Pb-free
Halide free
 Active     PWM Controller Featuring Peak Power Excursion and HV Startup, PWM Controller Featuring Peak Power Excursion and HV Startup (ActiveOFF) 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC9 NB
  NCP1249DD65R2G  
Pb-free
Halide free
 Active     PWM Controller Featuring Peak Power Excursion and HV Startup, PWM Controller Featuring Peak Power Excursion and HV Startup (ActiveOFF) 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC9 NB
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
100
Yes
8.8
Yes
Yes
Yes
28
300 / 500
PDIP-8
TSOP-6
  NCP1250ASN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1250BSN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1250BSN100T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
100
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1250ASN100T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
100
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1250BP65G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
28
300 / 500
PDIP-8
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
100
Yes
8.8
Yes
NO
OVP
Yes
Yes
28
300 / 500
TSOP-6
  NCP1251BSN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
OVP
Yes
28
300 / 500
TSOP-6
  NCP1251ASN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1251BSN100T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
100
Yes
8.8
Yes
OVP
Yes
28
300 / 500
TSOP-6
  NCP1251CSN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
NO
Yes
28
300 / 500
TSOP-6
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Forward and Flyback Applications 
Flyback
Forward
Current Mode
Up to 500
Yes
9 to 10
Yes
Yes
Yes
28
500 / 800
PDIP-8
SOIC-8
  NCP1252ADR2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Forward and Flyback Applications 
Flyback
Forward
Current Mode
Up to 500
Yes
9 to 10
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1252BDR2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Forward and Flyback Applications 
Flyback
Forward
Current Mode
Up to 500
Yes
9 to 10
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1252CDR2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Forward and Flyback Applications 
Forward
Current Mode
Up to 500
Yes
9 to 10
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1252APG  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Forward and Flyback Applications 
Flyback
Forward
Current Mode
Up to 500
Yes
9 to 10
Yes
Yes
Yes
28
500 / 800
PDIP-8
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
100
Yes
8.8
Yes
No
Yes
Yes
28
300 / 500
TSOP-6
  NCP1253BSN100T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
100
Yes
8.8
Yes
No
Yes
28
300 / 500
TSOP-6
  NCP1253ASN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
  NCP1253BSN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
No
Yes
28
300 / 500
TSOP-6
  NCP1253ASN100T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
100
Yes
8.8
Yes
Yes
Yes
28
300 / 500
TSOP-6
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
TSOP-6
  NCP1254ASN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
TSOP-6
  NCP1254BSN65T1G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
TSOP-6
 
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies Featuring Peak Power Excursion 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC-8
  NCP1255AD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies Featuring Peak Power Excursion, 65kHz, OCP Latched 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC-8
  NCP1255BD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies Featuring Peak Power Excursion, 65kHz, OCP Auto-recovery 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC-8
  NCP1255DD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies Featuring Peak Power Excursion, 65kHz, OCP Auto-recovery, VBOoff 0.7V 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC-8
  NCP1255CD65R2G  
Pb-free
Halide free
 Active     PWM Controller, Current Mode, for Offline Power Supplies Featuring Peak Power Excursion, 65kHz, OCP Latched, VBOoff 0.7V 
Flyback
Current Mode
65
Yes
8.8
Yes
Yes
Yes
35
300 / 500
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller, Soft-Skip™ Standby, with Adjustable Skip Level and External Latch 
Flyback
Current Mode
65
100
Yes
Yes
Yes
Yes
Yes
20
500 / 800
PDIP-8
SOIC-8
  NCP1271D65R2G  
Pb-free
Halide free
 Active     PWM Controller, Soft-Skip™ Standby, with Adjustable Skip Level and External Latch 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1271D100R2G  
Pb-free
Halide free
 Active     PWM Controller, Soft-Skip™ Standby, with Adjustable Skip Level and External Latch 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
20
500 / 800
SOIC-8
  NCP1271P65G  
Pb-free
Halide free
 Active     PWM Controller, Soft-Skip™ Standby, with Adjustable Skip Level and External Latch 
Flyback
Current Mode
65
Yes
Yes
Yes
Yes
Yes
20
500 / 800
PDIP-8
  NCP1271P100G  
Pb-free
Halide free
 Active     PWM Controller, Soft-Skip™ Standby, with Adjustable Skip Level and External Latch 
Flyback
Current Mode
100
Yes
Yes
Yes
Yes
Yes
20
500 / 800
PDIP-8
 
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
10
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
  NCP1288BD65R2G  
Pb-free
Halide free
 Active     Controller, Fixed Frequency, Current Mode, for Flyback Converters 
Flyback
Current Mode
65
Yes
10
Yes
Yes
Yes
28
1000 / 1000
SOIC-8
 
Pb-free
Halide free
 Active     PWM Controller for Flyback or Forward Converters 
Flyback
Forward
Half-Bridge
Step-Down
Step-Up
Current Mode
Up to 1000
No
Adj
Yes
No
Yes
100
1000 / 1000
TSSOP-16
  NCP1294EDBR2G  
Pb-free
Halide free
 Active     PWM Controller for Flyback or Forward Converters 
Flyback
Forward
Half-Bridge
Step-Down
Step-Up
Current Mode
Up to 1000
No
Adj
Yes
No
Yes
100
1000 / 1000
TSSOP-16
 
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
16
500 / 500
SOIC-8
  NCP1308DR2G  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
16
500 / 500
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Quasi-Resonant, Current Mode, with HV Start-Up 
Flyback
Current Mode
Variable
Yes
9 - 15
Yes
Yes
Yes
28
500 / 800
SOIC14 N MISSING PIN 13
  NCP1336ADR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant, Current Mode, with HV Start-Up 
Flyback
Current Mode
Variable
Yes
9 - 15
Yes
Yes
Yes
28
500 / 800
SOIC14 N MISSING PIN 13
  NCP1336BDR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant, Current Mode, with HV Start-Up 
Flyback
Current Mode
Variable
Yes
9 - 15
Yes
Yes
Yes
28
500 / 800
SOIC14 N MISSING PIN 13
 
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, with Overpower Compensation 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
20
500 / 500
PDIP-8
SOIC-8
  NCP1337DR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, with Overpower Compensation 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
20
500 / 500
SOIC-8
  NCP1337PG  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, with Overpower Compensation 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
20
500 / 500
PDIP-8
 
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
20
500 / 500
SOIC-8
  NCP1338DR2G  
Pb-free
Halide free
 Active     PWM Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
20
500 / 500
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Variable Off-Time Current Mode, with Short Circuit Protection 
Flyback
Current Mode
Variable
No
Yes
Yes
Yes
No
28
400 / 400
SOIC-8
  NCP1351BDR2G  
Pb-free
Halide free
 Active     Controller, Variable Off-Time Current Mode, with Short Circuit Protection 
Flyback
Current Mode
Variable
No
Yes
Yes
Yes
No
28
400 / 400
SOIC-8
  NCP1351ADR2G  
Pb-free
Halide free
 Active     Controller, Variable Off-Time Current Mode, with Short Circuit Protection 
Flyback
Current Mode
Variable
No
Yes
Yes
Yes
No
28
400 / 400
SOIC-8
  NCP1351CDR2G  
Pb-free
Halide free
 Active     Controller, Variable Off-Time Current Mode, with Short Circuit Protection 
Flyback
Current Mode
Variable
No
Yes
Yes
Yes
No
28
400 / 400
SOIC-8
  NCP1351DDR2G  
Pb-free
Halide free
 Active     Controller, Variable Off-Time Current Mode, with Short Circuit Protection 
Flyback
Current Mode
Variable
No
Yes
Yes
Yes
No
28
400 / 400
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
PDIP-8
SOIC-8
  NCP1377D1R2G  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
SOIC-8
  NCP1377BPG  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
PDIP-8
  NCP1377DR2G  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
SOIC-8
  NCP1377BDR2G  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
SOIC-8
  NCP1377BD1R2G  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
SOIC-8
  NCP1377PG  
Pb-free
Halide free
 Active     Controller, Free Running Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
Yes
No
Yes
Yes
16
500 / 500
PDIP-8
 
Pb-free
Halide free
 Active     Controller, Quasi-Resonant, Current Mode 
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1379DR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant, Current Mode 
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode 
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
Yes
28
500 / 800
SOIC-8
  NCP1380ADR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, overvoltage, overtemperature, latched overpower protection 
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1380BDR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, overvoltage, overtemperature, auto-recovery overpower protection 
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
SOIC-8
  NCP1380CDR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, brownout, overvoltage, latched overpower protection 
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
SOIC-8
  NCP1380DDR2G  
Pb-free
Halide free
 Active     Controller, Quasi-Resonant Current Mode, brownout, overvoltage, auto-recovery overpower protection 
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
SOIC-8
 
Pb-free
Halide free
 Active     MOSFET Driver, High Voltage, Half Bridge, with Inbuilt Oscillator 
Half-Bridge
Current Mode
250
No
9
No
No
Yes
16
500 / 1000
SOIC-8
  NCP1392BDR2G  
Pb-free
Halide free
 Active     MOSFET Driver, High Voltage, Half Bridge, with Inbuilt Oscillator 
Half-Bridge
Current Mode
250
No
9
No
No
Yes
16
500 / 1000
SOIC-8
  NCP1392DDR2G  
Pb-free
Halide free
 Active     MOSFET Driver, High Voltage, Half Bridge, with Inbuilt Oscillator 
Half-Bridge
Current Mode
250
No
9
No
No
Yes
16
500 / 1000
SOIC-8
 
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode 
Push-Pull
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
SOIC-16
  NCP1395ADR2G  
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode 
Push-Pull
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
SOIC-16
  NCP1395BDR2G  
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode 
Push-Pull
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
SOIC-16
 
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode, with High and Low Side Drivers 
Push-Pull
Voltage Mode
Up to 500
Yes
Yes
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1396ADR2G  
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode, with High and Low Side Drivers 
Push-Pull
Voltage Mode
Up to 500
Yes
Yes
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1396BDR2G  
Pb-free
Halide free
 Active     Controller, High Performance Resonant Mode, with High and Low Side Drivers 
Push-Pull
Voltage Mode
Up to 500
Yes
Yes
Yes
Yes
Yes
20
500 / 1000
SOIC-16
 
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 500
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1397ADR2G  
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 500
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1397BDR2G  
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 500
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
 
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High-Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 750
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1398BDR2G  
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High-Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 750
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
  NCP1398CDR2G  
Pb-free
Halide free
 Active     Controller, High Performance, Resonant Mode, with Integrated High-Voltage Drivers 
Half-Bridge
Current/Voltage Mode
Up to 750
No
9.5/10.5
Yes
Yes
Yes
20
500 / 1000
SOIC-16
 
Pb-free
Halide free
 Active     PWM Controller, High Performance, Active Clamp / Reset 
Flyback
Voltage Mode
Up to 500
No
Yes
Yes
Yes
Yes
20
2500 / 2500
SOIC-16
TSSOP-16
  NCP1562ADR2G  
Pb-free
Halide free
 Active     PWM Controller, High Performance, Active Clamp / Reset 
Flyback
Voltage Mode
Up to 500
No
Yes
Yes
Yes
Yes
20
2500 / 2500
SOIC-16
  NCP1562BDR2G  
Pb-free
Halide free
 Active     PWM Controller, High Performance, Active Clamp / Reset 
Flyback
Voltage Mode
Up to 500
No
Yes
Yes
Yes
Yes
20
2500 / 2500
SOIC-16
  NCP1562ADBR2G  
Pb-free
Halide free
 Active     PWM Controller, High Performance, Active Clamp / Reset 
Flyback
Voltage Mode
Up to 500
No
Yes
Yes
Yes
Yes
20
2500 / 2500
TSSOP-16
  NCP1562BDBR2G  
Pb-free
Halide free
 Active     PWM Controller, High Performance, Active Clamp / Reset 
Flyback
Voltage Mode
Up to 500
No
Yes
Yes
Yes
Yes
20
2500 / 2500
TSSOP-16
 
Pb-free
Halide free
 Active     PFC and Flyback Controller for Flat Panel TVs 
Flyback
Current Mode
0.065
Yes
Yes
Yes
No
Yes
30
800 / 800
SOIC-16
  NCP1927DR2G  
Pb-free
Halide free
 Active     PFC and Flyback Controller for Flat Panel TVs 
Flyback
Current Mode
0.065
Yes
Yes
Yes
No
Yes
30
800 / 800
SOIC-16
 
Pb-free
Halide free
 Active     Combination Power Factor Correction & Quasi-Resonant Flyback Controller 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
30
500 / 800
SOIC20 NB LESS PINS 2, 4 & 19
  NCP1937A1DR2G  
Pb-free
Halide free
 Active     Combination Power Factor Correction & Quasi-Resonant Flyback Controller 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
30
500 / 800
SOIC20 NB LESS PINS 2, 4 & 19
  NCP1937C1DR2G  
Pb-free
Halide free
 Active     Combination Power Factor Correction & Quasi-Resonant Flyback Controller 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
30
500 / 800
SOIC20 NB LESS PINS 2, 4 & 19
  NCP1937B1DR2G  
Pb-free
Halide free
 Active     Combination Power Factor Correction & Quasi-Resonant Flyback Controller 
Flyback
Current Mode
Variable
Yes
Yes
Yes
Yes
Yes
30
500 / 800
SOIC20 NB LESS PINS 2, 4 & 19
 
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
SOIC-8
  NCV3843BVD1R2G  
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-8
  NCV3843BVDR2G  
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC2842BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2842BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
  UC2842BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC2842BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2842BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC2843BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC2843BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
  UC2843BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2843BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC2843BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC2844BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2844BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
  UC2844BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC2845BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2845BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC2845BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC2845BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC2845BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
Yes
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC3842BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
  UC3842BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC3842BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
  UC3842BVD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC3842BVDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
  UC3842BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC3842BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC3842BVD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-8
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
Yes
30
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC3843BVDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
  UC3843BVNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
PDIP-8
  UC3843BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
PDIP-8
  UC3843BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC3843BVD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-8
  UC3843BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-8
  UC3843BVDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-14
  UC3843BVD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
Yes
30
200 / 200
SOIC-8
  UC3843BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
  UC3843BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Current Mode
52
No
Yes
Yes
No
No
30
200 / 200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
Yes
25
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC3844BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
PDIP-8
  UC3844BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-8
  UC3844BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-8
  UC3844BVNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
PDIP-8
  UC3844BVD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-8
  UC3844BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-14
  UC3844BVDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-14
  UC3844BVD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-8
  UC3844BVDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-14
  UC3844BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-14
 
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
Yes
25
200 / 200
PDIP-8
SOIC-14
SOIC-8
  UC3845BNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
PDIP-8
  UC3845BD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-8
  UC3845BVD1R2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-8
  UC3845BVNG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
PDIP-8
  UC3845BD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-8
  UC3845BDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-14
  UC3845BVDG  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-14
  UC3845BVD1G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-8
  UC3845BDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
No
25
200 / 200
SOIC-14
  UC3845BVDR2G  
Pb-free
Halide free
 Active     High Performance Current Mode PWM Controller 
Flyback
Forward
Step-Down
Step-Up
Current Mode
52
No
Yes
Yes
No
Yes
25
200 / 200
SOIC-14
 
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