General Description

The AS1323 high-efficiency step-up DC-DC converter was designed specifically for single-cell, battery-powered devices where lowest quiescent current and high efficiency are essential. The compact device is available in three fixed-voltage variations and is perfect for a wide variety of applications where extremely-low quiescent currents and very-small form factors are critical.

Features

1.6µA Quiescent Current

Input Voltage Range: 0.75 to 2V

Up to 100mA Output Current

Fixed Output Voltages: 2.7, 3.0 and 3.3V

Shutdown Current: 0.1µA

Output Voltage Accuracy: ±3%

Efficiency: Up to 85%

No External Diode or FETs Needed

Output Disconnect in Shutdown

Guaranteed 0.95V Start-Up Voltage

TSOT23-5 Package

Applications

The devices are ideal for single-cell portable devices including mobile phones, MP3 players, PDAs, remote controls, personal medical devices, wireless transmitters and receivers, and any other battery-operated, portable

device.