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POE 电源方案



Dears

以下需求TI有没有合适的方案?Thanks!

    基本要求:

    1.该电路的输入为POE供电或外部供电,自适应,外部供电优先

    2.低噪声,输出纹波少于1% 

    3.布板面积小于27mm*27mm

    4.开关电源方案