LP2981-N

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SNOS773K – MARCH 2000 – REVISED APRIL 2013

LP2981-N Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package

Check for Samples: LP2981-N

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FEATURES

DESCRIPTION

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

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•

Ultra Low Dropout Voltage

regulator

designed

specifically

to

meet

the

•

Output Voltage Accuracy 0.75% (A Grade)

requirements of battery-powered applications.

•

Specified 100 mA Output Current

Using an optimized VIP (Vertically Integrated PNP)

•

< 1

μA Quiescent Current when Shutdown

process,

the

LP2981-N

delivers

unequaled

•

Low Ground Pin Current at All Load Currents

performance in all specifications critical to battery-

powered designs:

•

High Peak Current Capability (300 mA Typical)

Dropout Voltage. Typically 200 mV @ 100 mA load,

•

Wide Supply Voltage Range (16V Max)

and 7 mV @ 1 mA load.

•

Fast Dynamic Response to Line and Load

Ground Pin Current. Typically 600

μA @ 100 mA

•

load, and 80

μA @ 1 mA load.

•

Overtemperature/Overcurrent Protection

Sleep Mode. Less than 1

μA quiescent current when

•

−40°C to +125°C Junction Temperature Range

ON/OFF pin is pulled low.

APPLICATIONS

Precision Output. 0.75% tolerance output voltages

available (A grade).

•

Cellular Phone

Nine voltage options, from 2.5V to 5.0V, are available

•

Palmtop/Laptop Computer

as standard products.

•

Personal Digital Assistant (PDA)

•

Camcorder, Personal Stereo, Camera

Block Diagram

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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PRODUCTION DATA information is current as of publication date.

Copyright © 2000–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.