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PMP11237: Parts alternative

Part Number: PMP11237
Other Parts Discussed in Thread: UCC27714, UCC27517, UCC29950

Hi team,

Good day.

In the PMP11237 reference design, it was noted in the schematic that you need to turn on S2 after power on to enable LLC and PFC operation. Does it mean that you need to turn S2 on every time after power on? Also, is it possible to replace the MOSFET driver UCC27714D with UCC27517DBVR?

Regards,
Carlo