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TPS794: input 5V and short to output

Part Number: TPS794

Hi Team,

Customer want to verify with us, say IN and EN are 5V, and short to output. Will this damage the device?

Customer want to minimize the change to existing circuit, they want to switch 5V - 3.3V by either shorting IN-OUT or opening IN-OUT to achieve 5V and 3.3V output capability.

If it does so, will device have risk of damage?