Description
nn plete Linear Battery Charger with Integrated Buck Converter in 3mm x 3mm DFN Package Battery Charger: nn Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating nn Internal 4.5 Hour Safety Timer for Termination nn Charge Current Programmable Up to 500mA with 5% Accuracy nn C/10 Charge Current Detection Output nn 5µA Supply Current in Shutdown Mode Switching Regulator: nn High Efficiency Synchronous Buck Converter nn 300mA Output Current (Constant-Frequency Mode) nn 2.7V to 4.5V Input Range (Powered from BAT Pin) nn 0.8V to VBAT Output Range nn MODE Pin Selects Fixed (2.25MHz) Constant-Frequency PWM Mode or Low ICC (23µA) Burst Mode® Operation nn 2µA BAT Current in Shutdown Mode.
Applications
- Typical Application