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LP2981IM5X-2.8 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP2981IM5X-2.8
Description  Micropower 100 mA Ultra Low-Dropout Regulator
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP2981IM5X-2.8 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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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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