Isolated Synchronous Flyback Controller with Integrated Feedback and Digital Isolator

Features

  • Wide VIN Range: 5V to 100V
  • Integrated Feedback and Digital Isolator
  • Internal Startup Regulator
  • Integrated Driver for Synchronous Rectifier MOSFET
  • ±1% Feedback Voltage Reference
  • 8.2V Primary Driver with 1A / 2A Source / Sink Current Capability
  • 9.0V Secondary Driver with 3A / 2A Source / Sink Current Capability
  • 3000V-rms Isolation
  • Frequency Adjustable From 100kHz to 700kHz
  • Adjustable Soft-Start Time
  • Optional Primary Side Bias for Optimized Efficiency
  • Built-in Cycle-by-Cycle Current Limit, Input UVLO, Over Current Protection, Short-Circuit Protection, and Thermal Shutdown Protection
  • SOIC-16 Wide Body (10.3mm x 7.5mm)
  • -40°C to 125°C Operating Junction Temperature Range

Applications

  • Battery Management System (BMS) in EVs
  • Telecom and Communications Power Systems
  • Industrial PLCs, Smart Meters
  • Power-Over-Ethernet (PoE)
  • Bias supply for isolated DC-DC converters
  • Low power isolated power modules

Typical Application Diagram