LTC4095 Datasheet PDF - Linear Technology

DESCRIPTION
The LTC®4095 is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion/polymer batteries. Its small 2mm × 2mm DFN package and low external component count make the LTC4095 especially well-suited for portable USB power applications.

FEATURES
â–  Full-Featured Standalone USB Li-Ion/Polymer Battery Charger
â–  100mA to 950mA Programmable Charge Current
â–  C/10 Charge Current Detection Output
â–  Internal Safety Timer Termination
â–  NTC Thermistor Input for Temperature Qualifi ed Charging
â–  Preset 4.2V Float Voltage with 0.5% Accuracy
â–  Constant-Current/Constant-Voltage Operation with Thermal Feedback
â–  Charge Current Monitor Output for Gas Gauging
â–  Automatic Recharge
â–  Bad-Battery Detection
■ 8.5µA Input Supply Current in Suspend Mode
■ Tiny 8-Lead (2mm × 2mm) DFN Package

APPLICATIONS
â–  PDAs
â–  Media Players
â–  Cellular Phones
â–  Other Portable Electronics