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TPS5402: Reverse voltage condition

Part Number: TPS5402


We got a question from the customer about TPS5402.
Could you help us?

- When the power supply is not applied to VIN, the output voltage conducts through the body diode and the less than 1mA current flows to VIN. Please refer to below figure. Are there any concerns on this condition?
- How much is the maximum recommended currnet of the internal body diode?

Best Regards,