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.
LM25574输出应该是-14V,而焊接好电路测得0.8V,不知道哪错了。
检查所有器件是否焊接正确。
已解决,是二极管方向焊反了
Hi
感谢分享结果。
学习了