AAT2557 Overview
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.
AAT2557 Key Features
- Input Voltage Range: 4V to 6.5V
- Programmable Charging Current up to 500mA
- Highly Integrated Battery Charger
- Charging Device
- Reverse Blocking Diode Linear Regulator
- 300mA Output Current
- Low Dropout: 400mV at 300mA
- Fast Line and Load Transient Response
- High Accuracy: ±1.5%
- 70µA Quiescent Current Short-Circuit, Over-Temperature, and Current Limit Protection TSOPJW-14 Package -40°C to +85°C Te
