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输入电压为20-40V
输出电压为 15V
输出电流为 3A
关键是这COMP 引脚的电阻和电容应该如何设计呢，我选了104能够达到设计要求吗？
具体参数建议参考Webench，进行仿真：
https://webench.ti.com/webench5/power/webench5.cgi?VinMin=20&VinMax=40&O1V=15&O1I=3&base_pn=TPS54340&AppType=None&op_TA=30&lang_chosen=en_US&optfactor=3&Flavor=None&origin=pf_panel
你可以按照这个来，具体的计算方法可以参考数据手册7.3.14章节
谢谢啦！
