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TPS7A84A: NR/SS cap

Given Ding
Genius 10165 points
Part Number: TPS7A84A

Hi Team,

Here is a question from customer that they put 3x 2.2nf=6.6nf cap on NR/SS pin but datasheet recommend 10nf to 1uf. So just want to check the effect. 

To my understanding, if Vout start up normally and noise on Vout can be accepted, it seems no other effect. 

Please kindly check. Thanks. 

BRs

Given 

  • 0
    TI__Guru 50170 points

    Hi Given,

    The recommendation was to help optimize noise performance. There is no issue with using less or even no capacitor on this pin if noise is not an important factor for the customer. 

    Regards,