LTC4077 Datasheet PDF - Linear Technology

DESCRIPTION
The LTC®4077 is a standalone linear charger that is capable of charging a single-cell Li-Ion battery from both wall adapter and USB inputs. The charger can detect power at the inputs and automatically select the appropriate power source for charging.

FEATURES
■ Charges Single-Cell Li-Ion Batteries from Wall
   Adapter and USB Inputs
■ Automatic Input Power Detection and Selection
■ Charge Current Programmable up to 950mA from
   Wall Adapter Input
■ C/10 Charge Current Termination
■ Thermal Regulation Maximizes Charge Rate
   Without Risk of Overheating*
■ Preset Charge Voltage with ±0.6% Accuracy
■ 18µA USB Suspend Current in Shutdown
■ Power Present Status Output
■ Charge Status Output
■ Automatic Recharge
■ Available in a Thermally Enhanced, Low Profile
   (0.75mm) 10-Lead (3mm × 3mm) DFN Package

APPLICATIONS
■ Cellular Telephones
■ Handheld Computers
■ Portable MP3 Players
■ Digital Cameras