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.

LM2676空载输出电压高,约为7V作用(正常为5V),负载后就正常了

Other Parts Discussed in Thread: LM2676

LM2676空载输出电压过高(约为7V),加负载后输出正常(5V),下面是原理图和PCB,

我怀疑是不是和自己PCB layout有关系,请高手多看一下PCB标红处,谢谢!