TPS53353: Please help confirm whether the schematic design is OK

user5707026

Genius 3145 points

Part Number: TPS53353

Dears,

Please help confirm whether the schematic design is OK? Thanks a lot.

TPS53353DQPT

over 6 years ago

0 Henry Nguyen over 6 years ago

TI__Intellectual 2460 points

Hello Elsa,
There is a miss capacitor from the node of 2.2K and 4.7nF (across the inductor) to the FB pin.
Also, the output capacitor needs more ceramic capacitor to reduce the ESL affect by POSCAP. The ceramic capacitor can be 1uF/0.1uF/10nF in 0603 size.
Kit

0 Henry Nguyen over 6 years ago in reply to Henry Nguyen

TI__Intellectual 2460 points

Hello Elsa,

I am closing this tread. If you have any more questions, you can re-open it.

Kit

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TPS53353: Please help confirm whether the schematic design is OK