SWITCH-MODE TWO CELL LI-ION BATTERY CHARGER
DESCRIPTION
The A308 is a monolithic switching charger for
2-series Li-ion cells battery, It achieves up to 2A
charge current with voltage mode PWM step- down
(buck) switching architecture.A308 regulates the
battery voltage and charge current with CV(constant
voltage) and CC(constant current)
condition includes thermal shutdown、time out and

temperature monitoring and charge status indication.
The A308 is available in 14-pin SOP package.

FEATURES
● Maximum Duty Cycle
● 0.5% Charge Voltage Accuracy
● Low 10uA Reverse Battery Drain Current
● Programmable Charge Current Up To 2A
● Fixed 400kHz Frequency
● Suitable For 2-Cell Li-Ion Batteries
● Automatic Battery Recharge
● Soft Start
● Battery Temperature Monitoring
● Thermal Shutdown And Protection
● Status Indication
● 18V Maximum Input Voltage Rating
● Ambient Temperature Range: -20℃～70℃
● 14-Lead SOP Package Available

APPLICATIONS
● Handheld Products
● Portable Equipment
● Distributed Power Systems
● Portable DVD Players
● Notebook
● Chargers for 2-cell Lion Batteries

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