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.
输入计划是ac120V-256V,输出45V--3A,原理图如上图,参考资料就是官网上的输出32V--3A的资料。变压器我的参数是原边Np=28T,次级Ns=15T,反馈Nb=5T,
上电调试一直打嗝保护,反馈电压8V-13V左右跳动,输出电压表显示0v--10V左右跳变
由于第一次使用这个片子,没一点头绪啊,求大神帮忙解惑