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DRV8301 Charge Pump

David Escandon
Expert 2175 points

I'm wondering if you can use the internal charge pump to drive a load that is less than 30mA. The GVDD output is bypassed to ground using the reference design; however, can this output be used, and if so what are the restrictions.

Thanks you.

 

-David

  • 0
    TI__Guru 55615 points

    David,

     

    It is not specified to drive an external load and not tested.  Is it possible to use the internal buck regulator for your needs?  I know it is overkill, but maybe you can use the buck to provide a higher voltage need in your system and a low cost LDO for the 30mA load.