LM25145: With 7A load test, the upper MOS tube heats up to 90 degrees seriously, SW duty cycle jumps, COMP loop, pole zero crossing frequency parameters how to set matching design

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Prodigy 10 points

Part Number: LM25145

e2echina.ti.com/.../lm25145-7a-mos-90-sw-comp

over 1 year ago

0 Timothy Hegarty over 1 year ago

TI__Guru 73292 points

Hello, I replied to this earlier on the China E2E site, but go ahead and post the full question here and include the schematic and quickstart calculator file.

Regards,

Tim

Power management

Power management forum

LM25145: With 7A load test, the upper MOS tube heats up to 90 degrees seriously, SW duty cycle jumps, COMP loop, pole zero crossing frequency parameters how to set matching design