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.

LM3478制作板子遇到的问题,首次制作,以前没做过电源性质的产品;跪求指导。。。。

Other Parts Discussed in Thread: LM3409, LMR16006

原计划做一个10-30VDC 输入,19VDC/2A输出的一个DC-DC前置电源,以便为随后的LM3409制作的驱动电路和LMR16006的12V(此处负载大概2-3W)供电

1.电感会响;

2.空载或轻载输出基本满足要求;负载12R 30W的电阻,输出电压被拉低至12.3VDC左右,且保持一会就会变为无输出,且再次上电无回复