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找可以输出正负24V的IC



在找可以输出正负24V的IC,封装SOT23-5 或 SOT23-6 ,电流 300~500mA 均可,目前在用的升压IC虽然能生成负压24V,但是正负压差比较大,有0.7V的差,所以看能不能推荐一款封装比较小的,正负间的压差尽量小,另外电压可调,电压也可以在正负28,输入电压为 3.7V的锂电池