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RT4813能让电子系统充分发挥新型化学电池的优势,它在电池电压低于系统电源 IC 需要的电压时还能供足够的能量供其使用。它内含功率晶体管、同步整流器,电流消耗低,为使用锂离子电池供电的系统提供了一个结构紧凑的解决方案。即使电池电压已经低于系统要求的最低电压,RT4813内含的Boost转换器也能提供足够的电压供系统使用。在升压模式下,其输出电压精度在最大3.1A负载下也能得到保证。在关机模式下,它的电流消耗低于2μA,可使电池寿命得到最大化延长。
使用CMCOT控制架构,当VIN接近VOUT电压时,输出纹波很小
工作电压范围:1.8V~5.5V
输出电压可调范围:1.8V~5.5V
PSM工作模式
效率高达96%
输入过电流限制
输入/输出过电压保护
平均输出电流限制可调范围:3100mA~550mA
内置补偿电路
输出放电
输出短路保护
关机状态下与负载的连接完全断开
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