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LP2982AIM5-2.5 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LP2982AIM5-2.5 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 17 page LP2982 Micropower 50 mA Ultra Low-Dropout Regulator General Description The LP2982 is a 50 mA, fixed-output voltage regulator de- signed to provide ultra low dropout and lower noise in battery powered applications. Using an optimized VIP™ (Vertically Integrated PNP) pro- cess, the LP2982 delivers unequaled performance in all specifications critical to battery-powered designs: Dropout Voltage: Typically 120 mV @ 50 mA load, and 7 mV @ 1 mA load. Ground Pin Current: Typically 375 µA @ 50 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-23 and micro SMD packages use absolute minimum board space. Precision Output: 1.0% tolerance output voltages available (A grade). Low Noise: By adding an external bypass capacitor, output noise can be reduced to 30 µV (typical). Ten output voltage versions, from 2.5V to 5.0V, are available as standard products. Features n Ultra low dropout voltage n Guaranteed 50 mA output current n Typical dropout voltage 180 mV @ 80 mA n Smallest possible size (SOT-23, micro SMD package) n Requires minimum external components n < 1 µA quiescent current when shutdown n Low ground pin current at all loads n Output voltage accuracy 1.0% (A Grade) n High peak current capability (150 mA typical) n Wide supply voltage range (16V max) n Low Z OUT 0.3Ω typical (10 Hz to 1 MHz) n Overtemperature/overcurrent protection n −40˚C to +125˚C junction temperature range n Custom voltages available 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. DS012679-1 March 2000 © 2000 National Semiconductor Corporation DS012679 www.national.com |
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