AAT2557
500mA Battery Charger and 300mA LDO
Regulator for Portable Systems General Description
The AAT2557 is a fully integrated 500mA battery charger 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 linear
regulator, making it ideal for applications operating with single-cell lithium-ion/polymer batteries.
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Features
•
SystemPower™
The battery charger is a complete constant curvoltage linear charger.
It offers an integrated pass device, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination.
The charging current is...