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LP2967ITPX-1833/NOPB Datasheet(PDF) 2 Page - Texas Instruments |
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LP2967ITPX-1833/NOPB Datasheet(HTML) 2 Page - Texas Instruments |
2 / 20 page LP2967 Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package General Description The LP2967 is a 150 mA, dual fixed-output voltage regulator designed to provide ultra low-dropout and low noise in bat- tery powered applications. Using an optimized VIP (Vertically Integrated PNP) process, the LP2967 delivers unequalled performance in all specifi- cations critical to battery powered designs: Dropout Voltage: Typically 240 mV at 150 mA load, and 6 mV at 1 mA load for each output. Ground Pin Current: Typically 1 mA at 150 mA load, and 200 µA at 1 mA load for each output. Enhanced Stability: The LP2967 is stable with output ca- pacitor ESR as low as 5 m Ω, which allows the use of ceramic capacitors on the output. Sleep Mode: Less than 2 µA quiescent current when SD pins are pulled low. Smallest Possible Size: micro SMD package uses absolute minimum board space. Precision Output: 1.25% tolerance. Low Noise: By adding a 100 nF bypass capacitor, output noise can be reduced to 30 µV (typical). Multiple voltage options, from 1.8V to 5.0V, are available. Consult factory for custom voltages. Features n Ultra low drop-out voltage n Guaranteed 150mA output current, 300 mA peak n Smallest possible size (micro SMD package) n Requires minimum external components n Stable with 2.2 µF tantalum or ceramic capacitor n Output voltage accuracy ±1% n < 2 µA quiescent current when shut down n Wide supply voltage range (16V max.) n Low Z OUT: 0.3 Ω typical (10 Hz to 1 MHz) n Over temperature/over current 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 Assistance (PDA) n Camcorder, Personal Stereo and Camera Block Diagram 10114201 June 2005 © 2005 National Semiconductor Corporation DS101142 www.national.com |
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