Analog Devices Inc.

500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck in 3mm 3mm DFN Features: Complete Linear Battery Charger with Integrated  Buck Converter Available in 10-lead, low profile (0.75 mm) 3mm × 3mm DFN and 10-lead MSE packagesBattery Charger: Constant-Current/Constant-Voltage Operation  with Thermal Feedback to Maximize Charge Rate  Without Risk of Overheating  Internal 4.5 Hour Safety Timer for Termination  Charge Current Programmable Up to 500mA with  5% Accuracy C/10 Charge Current Detection Output 5µA Supply Current in Shutdown Mode Switching Regulator: High Efficiency Synchronous Buck Converter300mA Output Current (Constant-Frequency Mode) 2.7V to 4.5V Input Range (Powered from BAT Pin) 0.8V to VBAT Output Range MODE Pin Selects Fixed (2.25MHz) Constant Frequency PWM Mode or Low ICC (23µA) Burst Mode®  Operation 2µA BAT Current in Shutdown Mode

$6.49