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.
如题，用降压控制器实现了12V转5V，但由于5V也有另一个电源轨，在使用该电源轨时12V转5V的降压控制器将处于无12V输入，输出端接5V电压的状态，想询问一下这种情况是否会损坏芯片？
