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.

LMR62421: 空载长时间电感会发热,导致二极管烧坏。

Part Number: LMR62421

输入3.4V-4.4V,输    出15V,0.3A。电感10uH(饱和电流2.8A,温升电流2A),肖特基二极管(40V;1A:250mW;SOD-323),下面是空载SW和工作时SW波形,帮忙看下哪里的问题。