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TPS54560-Q1 recommend input noise torelance

masaya hagiwara
Intellectual 740 points
Other Parts Discussed in Thread: TPS54560-Q1

Hello

I have a question.

1.TPS54560-Q1 recommend input noise torelance?

I know the equation about ΔVin.

(TPS54560-Q1 data sheet page 27 equation (38))

  • 0
    TI__Mastermind 35115 points

    Hi Masaya,

    We do not have a spec for input noise tolerance but we do recommend using a minimum of a 3 µF of ceramic input capacitance. The 3 µF should account for the DC bias derating of the capacitor and this is why our example design uses 2x 2.2 µF capacitors.

    Best Regards,
    Anthony