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你好：项目中使用一次性锂亚电池，输出电压伴随温度和电流会变化，范围为(2.5-3.6)V，现在需要稳定升压到4.0V供GPRS/GPS和其他器件供电，系统低功耗模式大概为2mA，获取GPS坐标和GPRS数据通信总电流大概280mA，输入电压会有变化输出电流会间歇变化较大，请帮忙看下TPS61099是否合适？从功耗和成本角度推荐一款芯片，谢谢。
Hi
如果输入电压范围是2.5~3.6V， 选择TPS61099时可以的。
