AS1323 - austriamicrosystems AG

AS1323 DC-DC Step-Up Converter

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 f.

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 Integrated boot circuitry ensures start-up even with veryhigh load currents. The true output disconnect feature completely disconnects the output from the battery during shutdown. The device is available in a TSOT23-5 pin package. 3 Applications The devices are .