【ADI】ADP2291 紧凑型1.5 A线性充电器

　　ADP2291是一款恒流/恒压线性充电器，适合单体锂离子电池，仅需几个元件就能组成简单、安全的充电系统，输入电压范围为4.5  V至12  V。它具有内部控制的多级充电周期，可以延长电池使用寿命。

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FEATURES Simple safe linear charger for singlecell lithium battery 45 V to 12 V input voltage range Adjustable charging current up to 15 A Low cost PNP external pass element Automatic reverse isolation with no external blocking diode Output overshoot protection Deep discharge precharge mode Thermal shutdown Automatic recharge Programmable termination timer LED charging status indicator 42 V output voltage with 1 accuracy over line and temperature 1 A shutdown supply current ......