LP2981AIM5-2.8 National Semiconductor, LP2981AIM5-2.8 Datasheet

LP2981AIM5-2.8

Manufacturer Part Number

LP2981AIM5-2.8

Description

Manufacturer

National Semiconductor

Datasheets

1.LP2981IM5-5.0.pdf (16 pages)

2.LP2981IM5-5.0.pdf (16 pages)

Specifications of LP2981AIM5-2.8

Case

SOT23-5

Date_code

06+

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LP2981

Micropower 100 mA Ultra Low-Dropout Regulator in

SOT-23 and micro SMD Packages

General Description

The LP2981 is a 100 mA, fixed-output voltage regulator

designed specifically to meet the requirements of battery-

powered applications.

Using an optimized VIP

cess, the LP2981 delivers unequaled performance in all

specifications critical to battery-powered designs:

Dropout Voltage. Typically 200 mV

7 mV

Ground Pin Current. Typically 600 µA

80 µA

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 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.

Block Diagram

VIP

™

is a trademark of National Semiconductor Corporation.

1 mA load.

™

(Vertically Integrated PNP) pro-

DS012506

100 mA load, and

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 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

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

1 µA quiescent current when shutdown

OUT

over wide frequency range

01250601

February 2006

www.national.com

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