AS1323
1.6µA Ultra-Low Quiescent Current, Single Cell, Step-Up Converter with Shutdown Output Disconnect - TSOT23-5
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.
The devices are available as the standard products shown in the following table.
| Model |
Fixed Output Voltage |
Package |
| AS1323 - 27 |
2,7 V |
TSOT23-5 |
| AS1323 - 30 |
3,0 V |
TSOT23-5 |
| AS1323 - 33 |
3,3 V |
TSOT23-5 |
Integrated boot circuitry ensures start-up even with very high 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.
Key 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.
