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LMP8645HV 烧坏

Other Parts Discussed in Thread: LMP8645HV

LMP8645HV 在使用中时有烧坏,检测的电压为直流电压,共模电压最大不高于50V,差模电压小于0.5V,用分流器的。放大电阻150KR。用的电路是技术手册上的标准电路。输出负载带载不会坏,但是把输入检测电源关闭再开通,这样来回就会坏,实际是继电器控制通断的。