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LP2981IM5X-2.8 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LP2981IM5X-2.8 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 16 page LP2981 Micropower 100 mA Ultra Low-Dropout Regulator General Description The LP2981 is a 100 mA, fixed-output voltage regulator de- signed specifically to meet the requirements of battery-powered applications. Using an optimized VIP™ (Vertically Integrated PNP) pro- cess, the LP2981 delivers unequaled performance in all specifications critical to battery-powered designs: Dropout Voltage. Typically 200 mV @ 100 mA load, and 7mV @ 1 mA load. Ground Pin Current. Typically 600 µA @ 100 mA load, and 80 µA @ 1 mA load. Sleep Mode. Less than 1 µA quiescent current when ON/ OFF pin is pulled low. Smallest Possible Size. SOT-23and micro SMD packages use an absolute minimum board space. Precision Output. 0.75% tolerance output voltages avail- able (A grade). Eleven voltage options, from 2.5V to 5.0V, are available as standard products. Features n Ultra low dropout voltage n Output voltage accuracy 0.75% (A Grade) n Guaranteed 100 mA output current n Smallest possible size (SOT-23, micro SMD package) n < 1 µA quiescent current when shutdown n Low ground pin current at all load currents n High peak current capability (300 mA typical) n Wide supply voltage range (16V max) n Fast dynamic response to line and load n Low Z OUT over wide frequency range n Overtemperature/overcurrent protection n −40˚C to +125˚C junction temperature range Applications n Cellular Phone n Palmtop/Laptop Computer n Personal Digital Assistant (PDA) n Camcorder, Personal Stereo, Camera Block Diagram VIP™ is a trademark of National Semiconductor Corporation. DS012506-1 March 2000 © 2000 National Semiconductor Corporation DS012506 www.national.com |
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