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FEATURES
Simple, safe linear charger for single-cell lithium battery 4.5 V to 12 V input voltage range Adjustable charging current up to 1.5 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 4.2 V output voltage with ±1% accuracy over line and
temperature 1 µA shutdown supply current Small, 8-lead MSOP and 3 × 3 mm LFCSP packages
APPLICATIONS
Wireless handsets Smart handhelds and PDAs Digital cameras Single-cell, lithium ion-powered systems Cradle chargers
Compact, 1.
ADP2291 Datasheet
