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LM5050-1 电路电压Vgate-Vin不正常,3V

Other Parts Discussed in Thread: LM5050-1

LM505-1 电路电压Vgate-Vin不正常,测量电路Vgate-Vin只有3V。

电路如下,是想用LM5050-1控制电源48V+正极通断的作用,达到控制外部设备电源正极,OFF引脚用光耦控制。