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.
com rent/constant
Features
•
SystemPowerâ„¢
The battery charger is a complete constant cur
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 current is...