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.
UCC3895移相全桥电路输入394V,输出24V.带载8A以上后出现响声，发现功率变压器初级绕组电压波形晃动，请教此问题可能是那部分导致的，谢谢！
1、看是否是环路问题。
2、看是否IC受到了干扰。
可以通过观测误差放大器输出信号进行分析。
