NCL30125: Fixed Frequency Current-Mode PWM Controller for Two Switch Forward topology

Datasheet: Current-Mode Controller, Fixed Frequency, for Two-Switch Forward Converter
Rev. 0 (719kB)
Product Overview
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Product Change Notification
The NCL30125 is a fixed frequency current-mode controller with integrated high voltage gate drivers. The HV pin allow a quick start-up with dynamic self supply (DSS) features. The skip cycle mode insures good efficiency in light load condition. And enable flexible & robust design with controllable soft-start time, switching frequency and various protections.
Features   Benefits
     
  • Internal 700 V high side gate driver
 
  • Save external pulse transformer
  • Skip cycle mode
 
  • Maximize Performance in Light Load Conditions
  • Dynamic Self Supply (DSS)
 
  • Stable operation in transient & no load
  • Internal 700 V HV startup current source
 
  • Fast startup & Low standby power
  • Frequency Jittering
 
  • Good EMI performance
  • 35 V wide VCC operation
 
  • Design Flexibility
  • Adjustable operating frequency & soft start duration
 
  • Design Flexibility
  • Optional features (Skip threshold, BO level, OCP timer & etc.)
 
  • Design Flexibility
  • Auto-recovery or Latch option
 
  • Design Flexibility
  • Brown-out, OCP(SCP/OLP), VCC OVP, TSD
 
  • Robust system operation
  • Dedicated Fault pin for OVP or OTP detection
 
  • Robust system operation
Applications   End Products
  • Power Supply
  • Lighting Advertisement power board
 
  • Advertisement Board
  • Power tool charger
  • PC Silver Boxes
  • Games Adapter
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCL30125FW300WGEVB Active
Pb-free
Fixed Frequency Current-Mode PWM Controller for Two Switch Forward topology
NCL30125SR300WGEVB Active
Pb-free
5 V/300 W Two-Switch Forward AC-DC Converter
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCL30125A2DR2G Active
Pb-free
Halide free
NCL30125, OCP/SCP AR & FW enable SOIC-16 NB 751DU 1 260 Tape and Reel 2500 $0.5463
NCL30125B2DR2G Active
Pb-free
Halide free
NCL30125, OCP/SCP Latch & FW enable SOIC-16 NB 751DU 1 260 Tape and Reel 2500 $0.5463
Market Leadtime (weeks) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 2,500
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
VI Min (V)
VI Max (V)
VO Max (V)
IO Max (mA)
fSW Typ (kHz)
Package Type
NCL30125A2DR2G  
 $0.5463 
Pb
H
 Active   
Forward
17
700
700
+0.9/-1.2 A
Adjustable
SOIC-16 NB
NCL30125B2DR2G  
 $0.5463 
Pb
H
 Active   
Forward
17
700
700
+0.9/-1.2 A
Adjustable
SOIC-16 NB
Case Outlines
751DU   
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