DESCRIPTION
The LTC®4075HVX is a standalone linear charger that is capable of charging a single-cell Li-Ion/Polymer 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
■ 22V Maximum Voltage for Wall Adapter and USB Inputs
■ Charge 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
■ Overvoltage Lockout for Wall Adapter and USB Inputs
■ No External MOSFET, Sense Resistor or Blocking Diode Needed
■ Thermal Regulation Maximizes Charge Rate Without Risk of Overheating*
■ Preset Charge Voltage with ±0.35% Accuracy
■ Programmable Charge Current Termination
■ 40μA USB Suspend Current in Shutdown
■ Independent “Power Present” Status Outputs
■ Charge Status Output
■ Automatic Recharge
■ Available in a Thermally Enhanced, Low Profi le (0.75mm) 10-Lead (3mm × 3mm) DFN Package

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