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.

LM2903: 比较器LM2903工作异常

Part Number: LM2903

你好,

     我们在使用LM2903PWR近期出现异常,异常情况如下:比较器输出异常,在上电过程中不能正常拉低,时好时坏。

    此电路用于交流掉电检测,在生产中发现LM2903输入-0.63V时,输出引脚没有正常翻转,具体看PWR_DET的示波器图。同时正常的LM2903输入测量为-0.66V,输出是正常拉低的。