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Linear regulator in ADUM4471


I was wondering witch load the internenal regulator on Vdd2 the output can handle? Couldn't find a current in the datasheet:-(.

Thanks in advance.


  • Thomas:

    The ADuM4471 is spec'd for Viso at 15V to supply 50mA from VDD2. This current comes that available from  Viso, which is spec'd for Iiso max of 100mA for 15V Viso. This max of 100mA will be limited by using the output channels on the Viso side, which we spec at max datarate as Available Viso Supply Current at 25Mbps.  Also, it will be limited by any external load you put on Viso.

    Regards, Brian