General Description

The APL5315 is a P-channel low dropout linear regulator which needs only one input voltage from 2.8~6V, and delivers current up to 300mA to set output voltage. It also can work with low ESR ceramic capacitors and is ideal for using in the battery-powered applications such as notebook computers and cellular phones. Typical dropout voltage is only 230mV at 300mA loading.

Features

• Wide Operating Voltage: 2.8~6V

• Low Dropout Voltage: 230mV(typical) @ 300mA

• Guaranteed 300mA Output Current

• Two Modes for Setting Output Voltage

- Fixed Output Voltage: 1~5V

- Adjustable Output Voltage: 0.8~5.5V

• Current Limit Protection with Foldback Current

• Internal Soft-Start

• Over Temperature Protection

• Stable with Low ESR Ceramic Capacitor

• SOT-23-5 Package

• Lead Free and Green Devices Available (RoHS Compliant)

Applications

• Cellular Phones

• Portable and Battery-powered Equipment

• Notebook and Personal Computers