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求推荐电源芯片

使用对数放大器,其电源要求是电压2.7-5.5V之间,电流在6.5-9mA之间,目前 利用稳压稳流设备给对数放大器供电芯片能正常工作,拟采用专门电源芯片,求推荐!

我的邮箱jzd19851102@126.com谢谢