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TPS53318: Mode selection

Part Number: TPS53318
Other Parts Discussed in Thread: TPS53513,

Is it acceptable to connect the MODE pin pull-up resistor to VREG instead of PGOOD to select FCCM?

We have a situation where tying the MODE resistor to PGOOD is not an option - the device receiving the PGOOD signal is only 2.5V tolerant so the PGOOD pull-up has to go to 2.5V. There isn't any room for a level translator from 5V -> 2.5V either.

Steve