AAT2557 regulator equivalent, 500ma battery charger and 300ma ldo regulator.
the device offers over-voltage, current limit, and thermal protection.
The linear regulator is designed for fast transient response and good power supply ripple rejectio.
operating with single-cell lithium-ion/ polymer batteries.
The battery charger is a complete constant current/constant v.
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 operatin.
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