+5V转-5V,电流200mA,纹波要低一些,50mV以下,请问有合适电源芯片推荐吗?谢谢。
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Hi
选择输入电压10V,负载能力大于400mA的降压芯片都是可以的,例如TPS62170之类,很多芯片都可以。
设计可以参考TPS62150负压输出(TPS62150的不同电流输出版本),在其网站上可以找到。