WEBENCH® Tools/TPS62480: SS Cap. value

PAN-M

Mastermind 8375 points

Part Number: TPS62480

Tool/software: WEBENCH® Design Tools

Dear all.

The following messages were output in WEBENCH when I changed the condenser of the SS to 6.8nF.

Does 6.8nF have a problem?

Regards,
PAN-M

over 5 years ago

0 Omar Hegazi over 5 years ago

TI__Intellectual 1780 points

Hi PAN-M,

Can you please provide me the conditions you are designing your system for? Vin range, Vout, and your typ. Iout?

Best regards,
Omar

0 PAN-M over 5 years ago in reply to Omar Hegazi

Mastermind 8375 points

3386.WebenchReportsServlet.pdfI attach my design.
Regards,
PAN-M

0 Omar Hegazi over 5 years ago in reply to PAN-M

TI__Intellectual 1780 points

Hello PAN-M,

Thanks for the prompt reply.
Your design seems to be fine and it should be working normally.

Best regards,
Omar Hegazi

0 PAN-M over 5 years ago in reply to Omar Hegazi

Mastermind 8375 points

I think that this message to be because the driving current of the SS pin is small, is there the problem with stability?.

ISS/TR = 5.25uA(typ.)

Best Regards,
PAN-M

0 Omar Hegazi over 5 years ago in reply to PAN-M

TI__Intellectual 1780 points

Hello PAN-M,

There should not be any stability issues. The start-up time for your design should be somewhere at 0.8ms, which is not abnormal.

Best regards,
Omar

0 PAN-M over 5 years ago in reply to Omar Hegazi

Mastermind 8375 points

Hello Omar,
I appreciate your comment!
Thanks,
PAN-M

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WEBENCH® Tools/TPS62480: SS Cap. value