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TPS55340-Q1: TPS55340 SYNC connected to 3.3V if not used

Part Number: TPS55340-Q1

Tool/software:

Hi TI expert,

In datasheet, it mentioned that SYNC should be connected to GND if not used.

In our design, SYNC pin is also connected to other chip. My question: is it OK that SYNC connected high(3.3V) if SYNC not used.

Thanks!