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TPS3420: The two inputs are low while the output is still high

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Part Number:TPS3420

Hello,

I've observed a strange behavior on my design.

The TPS3420 is used as shown below :

When the two inputs are low, sometimes it works and output becomes low, and sometimes output remains high.

Do you have any suggestion to explain this behavior please? Is it in relation with the current in the inputs?

Thank you

Best regards

Alex


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