Other Parts Discussed in Thread: BQ2057C, BQ25170
您好,
请问使用BQ25170J时,VOUT需要大于Vin 135mV?规格书上Vin可以是3V-6V。
看到你们由各帖子回复VOUT越接近Vin 效率越高?此解释在规格书中由体现吗?
谢谢!
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HI
这个是线性LDO式充电,特性上就是输入电压必须大于输出电压,并且超过Vdropmax, 这个电压是435mV典型值,产生这个电压的原因是芯片内部MOS的导通压降。