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求推荐芯片

zhenye quan
Intellectual 280 points
Other Parts Discussed in Thread: TPS62125, TPS54620

输入端为12V，输出端为3.3V给单片机供电使用。要求芯片型号较新，最好是13或者14年出的，带电源管理和低功耗的最好，谢过。