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求介绍一款-12V输入,-5V输出的电源芯片

Other Parts Discussed in Thread: TPS54160, LM1117, TPS55010, TPS63710

各位大神好!我现在需要用±12V和±5V的电压来驱动芯片,目前用的设计方案为15V电源转±12V(TPS54160),12V转5V(LM1117),-12V转-5V(TPS7A3001),但是输出的电流太小了,不满足我的负载要求,尤其是-5V的电压,求各位大神指点一下,推荐一款输出电流能到800mA以上的-12V输入,-5V输出的电源芯片;有更好的电源方案也麻烦各位大神提点提点~感激不尽~