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请帮忙review 一下设计图，输入电压时18V到72Vin；输出是12v 电流是3.25A的设计；从TI 官网上得设计工具参考的电路，增加了输入电容以及电感之类，以及输出电容也增加了，另外增加了RC吸收电路；以及有个输出电感D2的二极管反供给VCC这个二极管，要不要加呢，看到上次帖子上有说加了二极管烧片问题nb.docx
