TPSM82901: Please let me know the definition of effective output capacitance.

shinichi miyano

Part Number: TPSM82901

Tool/software:

Hello Team

I'd like to know about output capaciter.
-Does the definition of output capacitance, that is described on datasheet SLVSG68 part6-3,
contain the capacitance of load imput bypass condencer?
-What are the possible inconveniences if the capacitance value deviates from the recommended range?

Best Regard

Miyano Shinichi

7 months ago

0 Colin Chen 7 months ago

TI__Mastermind 21131 points

Hi Miyano,

This don't include capacitance of load imput bypass condencer.

If the capacitance value deviates from the recommended range, the stability may be influenced.

Could you tell us how much the output cap total is?

Thanks,

Colin

0 shinichi miyano 7 months ago in reply to Colin Chen

Intellectual 300 points

Hello Colin

Thank you for your repy.

Our design outline is following.

Freqency set:1.0MHz

Switchng omde:Forced PWM

Vout:1.0V

Co:10 uF or 22uF (+/-26.5%)

Total Imput bypass capaciter of load : 20.6uF (+/- 26.5%)

Please let me know your opinion about it.

Best Regard

Miyano Shinichi

+1 Colin Chen 7 months ago in reply to shinichi miyano

TI__Mastermind 21131 points

Hi Sir,

This is fine.

Thanks,

Colin

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TPSM82901: Please let me know the definition of effective output capacitance.