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.
请问第三脚的功能及使用方法，看数据手册不太明白
就是ZCD啊，电流的过零的一个检测脚啊
你看下芯片内部结构图，ZCD又辅助绕组分压过来，进去后就是与过压保护和触发信号比较
过流检测位置吧。PDF里没有写清楚么？
你能告诉我怎么用吗？PDF是这样说的“The pin senses the voltage of the auxiliary winding for zero current detection”
