SC4910A: High-Performance Secondary Side Controller with Synchronous Rectifier


Collapse All

Features

  • Synchronous rectification with adaptive control
  • Programmable secondary side delay
  • Programmable switching frequency
  • Programmable max. duty cycle
  • Remote voltage sense capability
  • Close-loop soft start with active-low shutdown
  • 0.75 V precision reference for low-output applications
  • Oscillator sychronization
  • Under-voltage lockout
  • Operation to 1 MHz
  • Current-mode or voltage-mode operation
  • Single-stage power conversion with multiphase link capability (with SC4201)
  • Monotonic start-up with pre-biased output
  • Active current-sharing capability
  • 9 V typical start-up threshold
  • 20-pin TSSOP package

Diagrams

Typical Application Circuit

SC4910A - Typical Application Circuit

Click diagram to enlarge

Applications

  • Telecom isolated DC to DC converters
  • Isolated VRMS
  • Networking power supplies
  • Industrial power supplies
  • Distributed power architectures
  • High-density power modules

Packaging

TSSOP-20

Order Codes
  • SC4910AITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets