Boost PFC and Asymmetrical Full-Bridge ZVS Converter Evaluation Kit

The ISLACDC750WEVKIT1Z evaluation kit is designed to demonstrate ATX PC power supply applications based on the ISL6754 ZVS full-bridge PWM controller, ISL6731A and ISL6731B power factor correction (PFC) controllers, and the ISL6721 single ended current mode PWM controller. With a 400V DC bus, the converter can output 12V at 62.5A. The efficiency performance can reach upward of 80%. Overall protection functions such as input overvoltage and undervoltage protection, output overvoltage, overcurrent, overtemperature, and short circuit protection make the circuit very reliable. The PSON pin provides an interface to remotely control the board, and a Power-Good (PG) pin indicates the working condition of the circuit. The circuit can also be adapted to a battery charger.

Key Features

  • Current sharing
  • ORing: Hot swap
  • OCP: Constant current
  • Stand-by mode turn off PFC and DC/DC


  • ZVS full-bridge converters
  • Telecom and datacom power
  • Wireless base station power
  • File server power
  • Industrial power systems
  • Isolated buck and Flyback regulators
  • Boost regulators
  • Desktop computer AC/DC adaptor
  • Laptop computer AC/DC adaptor
  • TV AC/DC power supply
  • AC/DC brick converter

ISLACDC750W-MBEV1Z Motherboard

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