LTC4052-4.2 Datasheet | Linear Technology

FEATURES s Very Low Power Dissipation: 350m W at 1A s plete Standalone Pulse Charger for 1-Cell Lithium-Ion Batteries s Requires No Microcontroller, MOSFET or Blocking Diode s Sense Resistor Limits Maximum Current for Safety s Programmable Charge Termination Timer for Maximum Capacity Charging s ±1% Float Voltage Accuracy s Near End-of-Charge (C/10) Detection Output s AC Wall Adapter Present Output s Low Battery Drain when Input Supply Is Removed s Automatic Trickle Charge for Low Battery s Automatic Battery Refresh s Thermal Shutdown Protection s Tiny Thermally Enhanced MSOP Package U APPLICATIO S s Handheld puters s Cellular Telephones s Cradle Chargers Lithium-Ion Battery Pulse Charger with Overcurrent Protection DESCRIPTIO The LTC®4052 is a plete standalone pulse charger with integrated MOSFET for 1-cell lithium-ion batteries. An external sense resistor provides overcurrent limiting as a safety precaution against a user connecting a wall adapter with the incorrect or...