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TPS54386EVM: Is it possible to alter parts on this evaluation board to test for <25V input?

Fidel
Prodigy 50 points
Part Number: TPS54386EVM

Would I have to swap out the input caps or would there be more to it than that? Outputs of 5V and 3.3V would stay the same.

  • 0
    TI__Guru**** 191445 points

    Fidel,

    The inductor ripple current will increase some.  I think it is not too much though. If you increase the inductor values you reduce the ripple current you will also need to re-compensate the circuits.  I would try it with just increasing the voltage rating of the input capacitors.