本人设计了一个电路莫管如上图所示,MOS管和三极管组成开关电路,用I/O控制通断,在开关闭合的瞬间(电路导通),两个TPS54040的输入 电压不变,电流瞬间为0,导致输出电压5V和3.3V被拉低;如果开关电路从硬件上直接短路(一直闭合,电路一直导通)则电路无影响,哪位大神能告诉是怎么回事?
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