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LP2985ITPX-1.8 Datasheet(PDF) 1 Page - Texas Instruments |
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LP2985ITPX-1.8 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page LP2985LV Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications with Output Voltages ≤ 2.3V Designed for Use with Very Low ESR Output Capacitors General Description The LP2985LV is a 150 mA, fixed-output voltage regulator designed to providehigh performance and low noise in ap- plications requiring output voltages < 2.3V. Using an optimized VIP™ (Vertically Integrated PNP) pro- cess, the LP2985LV delivers unequalled performance in all specifications critical to battery-powered designs: Ground Pin Current: Typically 825 µA @ 150 mA load, and 75 µA @ 1 mA load. Enhanced Stability: The LP2985LV is stable with output capacitor ESR as low as 5 m Ω, which allows the use of ceramic capacitors on the output. Sleep Mode: Less than 1 µA quiescent current when ON/ OFF pin is pulled low. Smallest Possible Size: micro SMD package uses absolute minimum board space. Precision Output: 1% tolerance output voltages available (A grade). Low Noise: By adding a 10 nF bypass capacitor, output noise can be reduced to 30 µV (typical). Features n Guaranteed 150 mA output current n Smallest possible size (micro SMD) n Requires minimum external components n Stable with low-ESR output capacitor n < 1 µA quiescent current when shut down n Low ground pin current at all loads n Output voltage accuracy 1% (A Grade) n High peak current capability n Wide supply voltage range (16V max) n Low Z OUT: 0.3 Ω 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 10129501 VIP™ is a trademark of National Semiconductor Corporation. June 2004 © 2005 National Semiconductor Corporation DS101295 www.national.com |
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