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.

DC-DC升压电路发出“吱吱”声

这几天在测试一款DC-DC升压芯片,当接入负载后电路会发出“吱吱”的叫声,同时带载能力严重不足,输入电压为4V,输出电压为+5V,接入负载电流为400mA左右,此时电压跌落至4V左右,规格书中标识的带载能力为2A,有遇到过类似问题的同学们,怎么解决的?