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公司项目需要用reg1117-3.3这款芯片设计一个15v输入，3.3v输出，电流200ma的电路，为后级模块供电，求官方人员推荐一个设计方案，我电话17316908724
TI有一个在线的电路设计工具，输入电压电流等参数之后即可推荐设计方案
www.ti.com.cn/.../overview.html
用BUCK吧，LDO的损耗比较大，发热会比较严重，TPS561201或者TPS560200
