LTC4096 Datasheet PDF - Linear Technology

DESCRIPTION
The LTC®4096/LTC4096X are standalone linear chargers that are capable of charging a single-cell Li-Ion or Li-Poly mer battery from both wall adapter and USB inputs. The chargers can detect power at the inputs and automatically select the appropriate power source for charging.

FEATURES
■ Charges Single-Cell Li-Ion Battery from Wall Adapter and USB Inputs
■ Automatic Input Detection (DC Input has Charging Priority)
■ Charge Current Programmable up to 1.2A from Wall Adapter Input
■ C/X Charge Current Termination
■ Input Power Present Output (PWR) with 120mA Drive Capability
■ Independent DC, USB Charge Current Programming
■ Preset Float Voltage with ±0.6% Accuracy
■ Thermal Regulation Maximizes Charge Rate Without Risk of Overheating*
■ Charge Status Output
■ Automatic Recharge
■ 20µA Charger Quiescent Current in Shutdown
■ Available in a Thermally Enhanced, Low Profi le (0.75mm) 10-Lead (3mm × 3mm) DFN Package

APPLICATIONS
■ Cellular Telephones
■ MP3 Players
■ Portable Handheld Devices