LP2982IM5-3.0 National Semiconductor, LP2982IM5-3.0 Datasheet

LP2982IM5-3.0

Manufacturer Part Number

LP2982IM5-3.0

Description

Manufacturer

National Semiconductor

Datasheets

1.LP2982IM5-3.3.pdf (17 pages)

2.LP2982IM5-3.3.pdf (17 pages)

3.LP2982IM5-3.3.pdf (17 pages)

Specifications of LP2982IM5-3.0

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LP2982

Micropower 50 mA Ultra Low-Dropout Regulator in

SOT-23 and micro SMD Packages

General Description

The LP2982 is a 50 mA, fixed-output voltage regulator de-

signed to provide ultra low dropout and lower noise in battery

powered applications.

Using an optimized VIP

cess, the LP2982 delivers unequaled performance in all

specifications critical to battery-powered designs:

Dropout Voltage: Typically 120 mV

Ground Pin Current: Typically 375 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 absolute minimum board space.

Precision Output: 1.0% tolerance output voltages available

(A grade).

Low Noise: By adding an external bypass capacitor, output

noise can be reduced to 30 µV (typical).

Ten output voltage versions, from 2.5V to 5.0V, are available

as standard products.

Block Diagram

VIP

1 mA load.

™

is a trademark of National Semiconductor Corporation.

1 mA load.

™

(Vertically Integrated PNP) pro-

50 mA load, and 7 mV

DS012679

50 mA load, and

Features

n Ultra low dropout voltage

n Guaranteed 50 mA output current

n Typical dropout voltage 180 mV

n Smallest possible size (SOT-23, micro SMD package)

n Requires minimum external components

n Low ground pin current at all loads

n Output voltage accuracy 1.0% (A Grade)

n High peak current capability (150 mA typical)

n Wide supply voltage range (16V max)

n Low Z

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

1 µA quiescent current when shutdown

OUT

0.3Ω typical (10 Hz to 1 MHz)

01267901

80 mA

February 2006

www.national.com

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