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.

lm2576-adj输出纹波大且电感发出响声的问题



我用lm2576-adj输入24v输出8v,电感用的是黑色铁氧体磁环绕的100uH,输出电容是2200uf/35v电解电容。电路图是按照datasheet接的,为什么接上后过1A以上电流就会出现问的电压下降纹波大并且电感兹兹的响,到2A时电压下降到5v左右。请各位大神解惑!