This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM3481: LM3481 current spike when mosfet turn on

Part Number: LM3481

Hi Team,

My customer is evaluating the LM3481 flyback demo, below is the schematic:

They saw a huge current spike when the mosfet turn. Can you help to understand the root cause of this sspike and how to kill it?

Thanks a lot!

Yangbo