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需要设计一款12V 输入，输出 正负5v，正负9v，和正负12v电源，输出电流都为1A左右，有没有推荐的电源芯片，看了下TPS5430倒是可以，感觉占用体积较多，有没有集成mosfet和电感的IC
HI
输出 正负5v，正负9v，你可以看看TPS54360. (降压芯片+耦合电感）
-12V可以用TPS5430.
