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UCC28251: How to Use this component as a two switch interleaved forward topology

Jeinel Santos
Prodigy 10 points
Part Number: UCC28251

Hi!

My team is planning to use this component as a secondary side controller for a 400VDC to 12VDC Interleaved two switch forward converter. Single Choke topology

We're currently having trouble with the synchronous rectification process.

The primary side switches are switched using a combination of isolators and drivers. The problem lies with the synchronous rectification part. SRA de-asserts when OUTA asserts and SRB de-asserts when OUTB asserts. Is there a way to drive this? Thank you!