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TPS62233输出3V负载增加后锂电池的电压下跌

Other Parts Discussed in Thread: TPS62560

TPS62233输入为锂电池电压3.3--4.35V,输出为3V,平时处于低功耗状态,只有1ma以下的电流,1S钟会有一次存储上报的动作,此时电流会有40-50ma,在这一点锂电池电压会拉低0.1V左右,原理图如下,修改输入和输出电容到47uf没有什么改善,请问如何解决,是否有更好的DCDC可以推荐,谢谢!