LP2980AIM5-2.9 National Semiconductor, LP2980AIM5-2.9 Datasheet

LP2980AIM5-2.9

Manufacturer Part Number

LP2980AIM5-2.9

Description

Manufacturer

National Semiconductor

Datasheets

1.LP2980IM5-2.5.pdf (19 pages)

2.LP2980AIM5-3.3.pdf (18 pages)

3.LP2980IM5-2.5.pdf (18 pages)

Specifications of LP2980AIM5-2.9

Date_code

05+

Packing_info

SOT-153

Current page: 1 of 19
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LP2980

Micropower 50 mA Ultra Low-Dropout Regulator In

SOT-23 and micro SMD Packages

General Description

The LP2980 is a 50 mA, fixed-output voltage regulator de-

signed specifically to meet the requirements of battery-

powered applications.

Using an optimized VIP

cess, the LP2980 delivers unequaled performance in all

specifications critical to battery-powered designs:

Dropout Voltage. Typically 120 mV

Ground Pin Current. Typically 375 µA

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.

Minimum Part Count. Requires only 1 µF of external ca-

pacitance on the regulator output.

Precision Output. 0.5% tolerance output voltages available

(A grade).

5.0V, 3.3V, and 3.0V versions available as standard prod-

ucts.

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

DS012078

50 mA load, and 80

Features

n Ultra low dropout voltage

n Output voltage accuracy 0.5% (A Grade)

n Guaranteed 50 mA output current

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

n Requires only 1 µF external capacitance

n Low ground pin current at all load currents

n High peak current capability (150 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

01207801

September 2006

www.national.com

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