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上传时间: 2009-09-03
详细说明： 800mA Low Dropout Voltage Regulator SPX1117 DESCRIPTION FEATURES ■ Guaranteed 0.8A Output Current ■ Guaranteed 1A Peak Current ■ Three Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V and 5V ■ Low Quiescent Current ■ Low Dropout Voltage of 1.1V a t 0.8A ■ 0.1% Line and 0.2% Load Regulation ■ Stable with 2.2uF Ceramic Capacitor ■ Overcurrent and Thermal Protection ■ Lead Free, RoHS Compliant Packages: SOT-223,TO-252, TO-220, and TO-263 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,2.5V, 2.85V, 3.0V, 3.3V and 5V output voltages. The SPX1117 is offered in several 3-pin surface mount packages: SOT-223, TO-252, TO-220 and TO-263. An output capacitor of 10μF provides unconditional stability while a smaller 2.2μF capacitor is sufficient for most applications. APPLICATIONS ■ Desktop PC's Servers ■ SCSI-II Active Terminator ■ Portable/ Palm Top / Notebook Computers ■ Cordless Phones ■ Battery Chargers ■ Disk Drives ■ Portable Consumer Equipment ■ Portable Instrumentation ■ SMPS Post-Regulator ...展开收缩
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