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TPS2549-Q1: Two abnormal application situations about TPS2549-Q1

Part Number: TPS2549-Q1

Hi, my customer has some questions about TPS2549-Q1.

1.When Vin=5V, EN pin is shut down, then the Vout pin is sunk into 5V voltage, will this damage the device?

2. When Vin hasn't powered on, EN status is not sure, then the Vout pin is sunk into 5V voltage, will this damage the device?

Pls help this two question, thanks a lot!