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NCP1380: Controller, Quasi-Resonant Current Mode

Datasheet: Controller, Quasi-Resonant Current Mode
Rev. 6 (326kB)
Product Overview
»View Reliability Data
»View Material Composition
» Product Change Notification
The NCP1380 is a high performance device aimed at powering quasi-resonant converters. Capitalizing on a proprietary valley lockout system, the controller shifts gears and reduces the switching frequency as the power loading becomes lighter. This results in a stable operation despite switching events always triggering in the drain-source valley. This system works down to the 4th valley and toggles to a variable frequency mode beyond, ensuring an excellent standby power performance. To improve the safety in the overload situations, the controller includes an Over Power Protection (OPP) circuit which clamps the delivered power at high-line. Safety-wise, a fixed internal timer relies on the feedback voltage to detect a fault. Once the timer elapses, the controller stops and stays latched for option A and C or enters auto-recovery mode for option B and D. Particularly well suited for adapter applications, the controller features a pin to implement either a combined overvoltage / overtemperature protection (version A and B) or a combined brownout / overvoltage protection (version C and D).
Features   Benefits
     
  • Quasi-resonant peak current mode control operation
 
  • High efficiency operation
  • Valley switching operation with valley lockout
 
  • Provides for noise-immune operation
  • Frequency foldback at light load
 
  • Improves light load efficiency
  • Adjustable overpower protection
   
  • Auto-recovery or latched internal output short circuit protection
   
  • Fixed internal 80 ms timer for short circuit protection
   
  • Combined overvoltage and overtemperature protection (A and B versions)
   
  • Combined overvoltage protection and brownout (C and D versions)
   
  • VCC range operation up to 28 V
   
Applications   End Products
  • AC-DC adapters for notebooks
  • Offline battery chargers
  • Auxiliary power supplies (flat TV, appliances)
 
  • Power AC-DC converters for adapters, TVs and set top boxes
Availability & Samples
Specifications
Case Outlines
Application Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP1380ADR2G Last Shipments
Pb-free
Halide free
NCP1380, overvoltage, overtemperature, latched overpower protection SOIC-8 751-07 1 260 Tape and Reel 2500  
NCP1380BDR2G Active
Pb-free
Halide free
NCP1380, overvoltage, overtemperature, auto-recovery overpower protection SOIC-8 751-07 1 260 Tape and Reel 2500 $0.4
NCP1380CDR2G Active
Pb-free
Halide free
NCP1380, brownout, overvoltage, latched overpower protection SOIC-8 751-07 1 260 Tape and Reel 2500 $0.4
NCP1380DDR2G Active
Pb-free
Halide free
NCP1380, brownout, overvoltage, auto-recovery overpower protection SOIC-8 751-07 1 260 Tape and Reel 2500 $0.4
Market Leadtime (weeks) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 7,500
PandS   (2020-09-14 00:00) : >1K
Market Leadtime (weeks) : Contact Factory
PandS   (2020-09-14 00:00) : >1K
Market Leadtime (weeks) : 17 to 20
PandS   (2020-09-14 00:00) : >1K
Market Leadtime (weeks) : 8 to 12
PandS   (2020-09-14 00:00) : >1K
Avnet   (2020-08-19 00:00) : >10K
FutureElectronics   (2020-08-19 00:00) : >1K

Product
Description
Pricing ($/Unit)
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
NCP1380BDR2G  
 $0.4 
Pb
H
 Active   
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
SOIC-8
NCP1380CDR2G  
 $0.4 
Pb
H
 Active   
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
SOIC-8
NCP1380DDR2G  
 $0.4 
Pb
H
 Active   
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
SOIC-8
Case Outlines
751-07   
Packages
NCP1380: Controller, Quasi-Resonant Current Mode
NCP1380: Controller, Quasi-Resonant Current Mode
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AC-DC Adapter Solutions with the NCP1380DGEVB Evaluation Board
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