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TPS54394: Power good connection problem

Part Number: TPS54394

Hi team,

I have one question about the Power Good connection of TPS54394.

In our EVM, PG1, PG2 are pulled up through 100k resistor to VREG. I think this is because the PG1,PG2 max voltage is 5.7V.  Is that right?

If my input voltage is 5.5V, can I pull up PG1, PG2 through 100k resistor to Vin(5.5V) directly?