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.

请教一下关于LM25118,BUCK mos管波形不正常的问题

Other Parts Discussed in Thread: LM25118

我用LM25118做的16-36V输入,20V输出,输出4A。带载工作起来电感非常烫。我用示波器看了下,发现BUCK mos管的源极波形不正常。栅极也是这种波形。我将mos取掉后,栅极的方波是正常的。我的输入是稳压源(35V/30A)输出的18V。

请问源极怎么会这样,有什么办法解决吗?谢谢