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ADM3251 power consumption

Question asked by new_to_analog on Jun 10, 2015
Latest reply on Jun 13, 2015 by RAnslow

Dear all,

 

I am using ADM3251 RS232 isolator, but I noticed, that device become hot. After measurement of power consumption

I measured about 130mA current into isolator. The isolator is powered by 5V and also Viso is internally generated at 5V.

There is not active communication at all.

I have two boards with the exact same symptoms. Does any experiences such high power consumption?

 

thanks and best regards,

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