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TPS23730: 线长和PSE输出电压的相关数据

Part Number: TPS23730


测试设备带负载能力时,当 PSEPD使用线长100,调整RJ45 PD带的可调负载功率,当PSE 输出电压拉低到37V以下时,TPS23730 PD可以正常断开及重复侦测;但当PSEPD使用线长200,调整RJ45 PD带的可调负载功率,当PSE 输出电压拉低到37V以下时,TPS23730 PD仍然可以正常带负载,电压拉低到33V以下出现带不起负载的现象,帮忙分析一下原因。