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LM25116: UCC256404 Regulation issue

Part Number: LM25116
Other Parts Discussed in Thread: UCC256404

Hi TI team,

I have designed synchronous buck converter with LM25116 IC. Input voltage range 13VDC to 21VDC and output voltage is 12VDC with 240W power.

I am not getting output voltage 12VDC. While the feedback resistor divider sets for 12VDC output voltage. Its getting only 8VDC. I do not know why the output voltage 12VDC not getting.

Please find the schematic and provides your suggestions and feedback.

Regards,

Raj Kumar Chaurasiya

email-id- rajkumar.chaurasiya@emerson.com