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.

LM5145空载时电流大,80mA左右

Other Parts Discussed in Thread: LM5145, CSD19531Q5A

HI,

用LM5145设计一个30V输入,13V/15A输出的电源模块,空载时电流很大,80mA左右。求指教。

LM5145是从TI官网申请的样品,MOS用的是CSD19531Q5A。

原理图如下:

HO/LO波形如下:

SW波形如下:

DCDC Moudle for LM5145.pdf