Datasheet page-24 is described that unused PG pin is tie to GND.
About unused PG, I think that left open is no problem, is it correct?
Best regards,
Satoshi
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Hi Satoshi,
You are correct, a floating (open) PG pin will not cause any problems.
Thanks,
Alek Kaknevicius
Hi Satoshi,
Tying the PG pin to ground does not cause additional leakage through the device since the PG pin is not internally pulled up. When the output is high, the PG pin is left floating, and when the output is low, the PG pin is pulled low. In either case, connecting the PG pin to ground does not pull additional current through the device since the PG pin is never internally pulled up.
Thanks,
Alek Kaknevicius