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tlc死掉

Other Parts Discussed in Thread: TLC3578

做逆变电源时利用tlc3578采输出电流、电压互感出来的交流信号,    当主电路电流增大时,  采样芯片tlc3578会停止工作,    通过单独+5V供电发现正常工作时tlc3578的工作电流5mA ,死掉后tlc3578工作电流变为30mA左右,重新上电后,主电路电流小的时候让能正常工作

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