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本人要做一个项目，需要4节5号电池供电，输出5V200mA的高效率解决方案，电流要大于200ma，效率要高，成本希望在3元以下(每月1K以上),请问哪款芯片可以满足要求?
４节5号电池的电压根据电池种类和截止电压不同输入范围还不一样．
若1.2~1.5v工作范围，则需要升降压．从价格角度考虑，CHARGE PUMP方案或许可以采用． 如TPS60110, TPS60130/1等．
