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ADUM540x back feed when off?

Question asked by gwfung on Apr 12, 2012
Latest reply on Apr 26, 2012 by MSCantrell

Hello everyone,

 

We have a situation where a design with ADMU5401 in the field could be back fed on the power output side with voltage (on pin 16) up to 2.5V (100k resistance however), when the input side is not powered.  Can this cause any problems?

 

Thanks,

Gregory Fung

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