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TPS63002芯片静态电流

Other Parts Discussed in Thread: TPS63002

用TPS63002芯片做了一个输入1.9-3V,输出为5V的直流升压器,在3V电池与TPS63002的vin口窗了电流表,在没有负载的情况下,电流>150mA,不知为什么?线路没有连接错,只是Exposed Thermal Pad没有连接到PCB上。