EPIC1ADQ01

Primary side ZVS flyback controller

The EPIC1ADQ01 is the EPIC 1.0 Controller for AC/DC QuarEgg Primary Side Regulator ZVS Flyback Converters. It is a mixed-signal, low-power, cost-optimized power conversion controller targeting high efficiency fixed output power adapters without PFC to reduce energy loss from idle to full power of small electric and electronics devices.

Package, size and pins

  • QFN32
  • 5mm x 5mm
  • 32 pins

Key features

  • Multi-mode operation targets at extremely flat efficiency curve over entire operating range
  • Crest/Valley Switching Operation
  • Primary Side Regulation - No need for Optocoupler
  • Optimized low power mode for enhancing no-load performance
  • Vout Overvoltage Protection
  • Customizable Brownout Protection
  • Customizable Overpower protection
  • Vout-dependent overcurrent protection
  • Integrated Over Temp Protection

Simplified schematic

Reference Designs

30W AC/DC Fixed voltage output

ERD00696

Features
  • Synchronous ZVS flyback
  • Power density uncased 18.07W/in^3
  • Peak efficiency 94%