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.

LM74502H: 原理图review

Part Number: LM74502H

原理图设计如附件,48V电池的开关电路,容性负载,刚开始上电时,48_OUT有输出,但加上负载,就没有输出了,VCAP不是稳定的VIN+12V,开关几次后,不加负载,也没有输出。请帮忙看一下,谢谢!