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DER-720 - 275 W PFC front end using HiperPFS-4 with integrated diode

DER-720 - 275 W PFC Front End Using HiperPFS-4 with Integrated Diode

Overview

275 W PFC front end using HiperPFS-4 IC with integrated Qspeed diode (PFS7727H) (not a complete power supply) 90 VAC – 264 VAC input; 385 VDC output Low component count PFC Cool with ultra-low reverse recovery loss diode -Pad package eliminates insulating pads and heat sink Power factor greater than 0.9 at 20% load Power factor greater than 0.95 at 50% load Greater than 95% efficiency at 10% to 100% load (115 VAC and 230 VAC input) 275 W PFC front end (not a complete power supply) using HiperPFS-4 IC with integrated Qspeed diode (PFS7727H)90 VAC – 264 VAC input; 385 VDC outputLow component count PFC with ultra-low reverse recovery loss diodeCool-Pad package eliminates insulating pad and heat-spreaderHigher than 0.9 power factor at 20% loadHigher than 0.95 power factor at 50% loadHigher than 95% efficiency from 10% to 100% load (115 VAC abd 230 VAC input)

Blockdiagram

Design Files

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Update:2025-05-10 18:48:20

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