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GENERAL DESCRIPTION
The SPX1117 is a low power positive-voltage regulator designed to satisfy moderate power requirements with a cost effective, small footprint solution.
This device is an excellent choice for use in battery-powered applications and portable computers. The SPX1117 features very low quiescent current and a low dropout voltage of 1.1V at a full load. As output current decreases, quiescent current flows into the load, increasing efficiency. SPX1117 is available in adjustable or fixed 1.5V, 1.8V, 2.5V, 3.3V and 5V output voltages.
The SPX1117 is offered in a 3-pin SOT-223 surface mount packages.
An output capacitor of 10µF provides unconditional stability while a smaller 2.2µF capacitor is sufficient for most applications.
APPLICATIONS
1. Desktop PC Servers
2. Graphic/Video Cards
3. Industrial Equipments
4. Power Supplies
FEATURES
1. Guaranteed 800mA Output Current
2. Guaranteed 1A Peak Current
3. Three Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 3.3V and 5V
4. Low Quiescent Current
5. Low Dropout Voltage of 1.1V at 800mA
6. 0.1% Line and 0.2% Load Regulation
7. Stable with 2.2µF Ceramic Capacitor
8. Overcurrent and Thermal Protection
9. Lead Free, RoHS Compliant SOT223 Package
FUNCTIONAL DIAGRAM
SPX1117 Application Diagram
