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TPS54202: Inductor & Capacitor selection

Bobby Kim
Prodigy 86 points
Part Number: TPS54202
Other Parts Discussed in Thread: ADS131M04,

Tool/software:

Hi,

We are planing to use TPS54202 for power supply of the ADC(ADS131M04) input voltage with following spec,

   - Input voltage : 24V

   - Output voltage : 3.3V

I'm considering using a 10uH inductor and a 10uF output capacitor. I would like you to confirm if this value are appropriate for my calculation.

Thanks

  • 0
    TI__Mastermind 24386 points

    Hi

    I will check and get back to you ASAP. Thank you.

  • 0
    TI__Mastermind 24386 points

    Hi Bobby

    The 10uH inductance is ok, For the Cout, I would recommend you reserve position for one more 10uF cap . You can test the load transient performance after the board assembly. and you can decide if need to place it after the test.

    Thanks and best regards.