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UCC24624: Heating

Part Number: UCC24624

Tool/software:

Hi TI Team.

I am using UCC24624D IC for Synchronous rectification of 1KW LLC converter.

Attached the schematic of same

Problem is secondary side fets are heating much,even i tried with Schottky diodes, Thermally both are same what could be the reason for this

will synchronous operation not happening or not

how to find it

My switching frequency 120KHZ

Thank you