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DC-DC电源器件选型

Other Parts Discussed in Thread: TPS40210, LM3478, TPS55340, LMR23610

输入电压22-33v

输出电压为15v和3.3v

15v作为MOS管栅极的输入,MOS管做开关用

3.3v作为单片机电源输入

刚接触,不知道具体怎么选型,芯片型号怎么找