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.

TPS54231D芯片使用问题

这个芯片输出电压不停的在跳变(没有接负载),这是什么原因?原理图见附件。输出电压始终无法稳,不知道啥原因了。