TPS64200 calculation

Adesh Jagtap

Intellectual 320 points

Can anyone explain calculation formula of capacitance value given in datasheet? I am not able to get it.

over 8 years ago

0 JohnTucker over 8 years ago

TI__Guru**** 191445 points

Which equation number?

0 Adesh Jagtap over 8 years ago in reply to JohnTucker

Intellectual 320 points

equation number 16. i.e. equation of Co

0 Chris Glaser over 8 years ago in reply to Adesh Jagtap

TI__Guru*** 146120 points

This is simply an estimate of the required output cap to meet a given load transient. It comes from I=Cdv/dt and V=Ldi/dt. It's a little pessimistic as the inductor current supplies some of the load step current from t=0.

0 Adesh Jagtap over 8 years ago in reply to Chris Glaser

Intellectual 320 points

okay thanks.

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TPS64200 calculation