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TPS254900-Q1: Questions about internal MOS

Part Number: TPS254900-Q1

Hi team,

My customer is using our TPS254900-Q1.

Could you please kindly help check below 3 questions?

1. Is the MOS between IN and OUT is NMOS?

2. When customer connected the OUT to other device like computer, will the computer power go through the NMOS body diode and cause the TPS254900-Q1 always working and lead to reverse sinking current? How big can this sinking current be?

3. If customer use MCU to pull down the EN, will this lead to reverse sinking current? How big can this sinking current be?

Thanks,

Brian