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.

LM27762EVM 开发板测试问题

 评估板接上5V直流稳压电源,测量电源电压及文波。
测量正电压,电压正常。
开启负电压,评估板输入端接入的电流表显示有600ma电流,评估板未接入负载。测量负电压为-1.5V。芯片发热,烫手。
正负电源同时开启,负电源还是不正常。不知道是什么原因导致的?要怎么样才可以正常?