想给正在制作中的红外遥控器装三节7号AAA电池来作电源
故会需要把3.3v~4.5v的输入电源转成稳定的3.3v
并且待机功耗(<10uA)时的转换效率还可以的稳压IC
已经找到有LP2951、LM3480-3.3、LM3940这几个LDO
只是不知道哪款会比较适合这样低功率的使用情况
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