按照官方给的TPS23750EVM-107评估板画的电路图,元器件也没有改变,用的是输出51v的poe交换机,为什么 接上评估板以后,就没有电压输出呢?交换机也仅仅只有零点几伏
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按照官方给的TPS23750EVM-107评估板画的电路图,元器件也没有改变,用的是输出51v的poe交换机,为什么 接上评估板以后,就没有电压输出呢?交换机也仅仅只有零点几伏