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AAT2552
Total Power Solution for Portable Applications General Description
The AAT2552 is a fully integrated 500mA battery charger, a 300mA step-down converter, and a 300mA low dropout (LDO) linear
regulator.
The input voltage range is 4V to 6.
5V for the battery charger and 2.
7V to 5.
5V for the step-down converter and linear
regulator, making it ideal for applications operating with single-cell lithium-ion/polymer batteries.
The battery charger is a complete constant current/constant voltage linear charger.
It offers an integrated pass device, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination.
The charging cu...