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WEBENCH® Tools/LMR16010: Can LMR16010 output stable 15V ?

Rayman Mei

Prodigy 20 points

Part Number: LMR16010

Tool/software: WEBENCH® Design Tools

The input voltage is 42VDC and I want to get 15VDC / 1A output. But WEBENCH cannot output a solution on LMR16010. Is it a problem about WEBENCH? Who can tell me the input/output capacitor, inductor size?

Thank you very much.

over 8 years ago

0 JohnTucker over 8 years ago

TI__Guru**** 191445 points

It is probably a webench issue. At Vout = 5.91 V, the phase margin is 52.1 deg. At Vout = 5.92 V, Webench cannot find a stable solution. I doubt the actual phase margin would change that much from Vout = 5.91 to 5.92 V. Moving this to the Webench forum.

0 Mahantesh Chanagoudar over 8 years ago in reply to JohnTucker

TI__Intellectual 1045 points

Hi Rayman,

We are looking into this. Will get back to you soon.

Regards,
Mahantesh

0 Mahantesh Chanagoudar over 8 years ago in reply to Mahantesh Chanagoudar

TI__Intellectual 1045 points

Hi Rayman,

This issue has been fixed now. Updated design will be released in couple of days.

Best Regards,

Mahanatesh

0 Mahantesh Chanagoudar over 8 years ago in reply to Mahantesh Chanagoudar

TI__Intellectual 1045 points

Hi Rayman,

Updated design is released now.

Best Regards,
Mahantesh

0 Rayman Mei over 8 years ago in reply to Mahantesh Chanagoudar

Prodigy 20 points

Thanks your help. I understand.