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TPS23754/6设计咨询,50W电源,Adapter模式功率问题

Other Parts Discussed in Thread: TPS23754

TPS23754/6设计咨询,50W电源,Adapter模式功率问题

我现在需要一个12V电源,poe模式下输出25W DC-DC模式下输出50W。我的初步设想是控制ADP脚输入来选择poe或DC-DC供,不知是否可行。手册上没有说明DC-DC模式下功率最大能达到多少。按以往对开关电源的理解,功率由开关管和变压器等器件决定。
1、参考电路后级能否简化