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TPS7A16-Q1: Question about minimum Cout value

Jim Brinkhurst1
Mastermind 44680 points
Part Number: TPS7A16-Q1

Hi Experts

My customer has a question about the minimum Cout value.

Is the absolute minimum for Cout 2.2uF, ie. they should choose a part with a nominal value >2.2uF?

Or can they use a nominal 2.2 uF ceramic capacitor with normal tolerances and temperature coefficients etc. and will that be sufficient for stability?

Thanks!

Best regards,

Jim B

  • 0
    TI__Mastermind 23361 points

    Hi Jim, 

    A nominal 2.2-uF ceramic capacitor will satisfy the requirement for the output capacitor. But for better AC performance, a 10-uF is recommended. For newer datasheet, we have differentiated the difference between capacitor and capacitance; when you see minimum capacitance, the capacitor needs to provide the capacitance with degrading. 

    Regards, 
    Jason Song