LM5022: LM5022 EMI issue

Lawrence He

Genius 3280 points

Part Number: LM5022

Dear

ous client design LM5022 as attached .SCHEMATIC1 _ P04 Power.pdf

, but test EMI have 50MHz peck issue as attached.

If layout is fiexd, have any suggestion can fine tune.

Thanks,

Best regards,

Lawrene.

0 Youhao Xi over 7 years ago

Try to increase the gate resistor R50 to lower the high frequency EMI emission.

0 Lawrence He over 7 years ago in reply to Youhao Xi

Genius 3280 points

Hi, Youhao

Thank you for your suggestion, we will try it.

Best regards,

Lawrence.

Power management forum