LP2967IBP-1825 datasheet(1/17 Pages) NSC

Part #	LP2967IBP-1825

Description	Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package

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Manufacturer	NSC [National Semiconductor (TI)]

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LP2967

Dual Micropower 150 mA Low-Dropout Regulator in

micro SMD Package

General Description

The LP2967 is a 150 mA, dual fixed-output voltage regulator

designed to provide ultra low-dropout and low noise in bat-

tery powered applications.

Using an optimized VIP (Vertically Integrated PNP) process,

the LP2967 delivers unequalled performance in all specifi-

cations critical to battery powered designs:

Dropout Voltage: Typically 240 mV at 150 mA load, and

6 mV at 1 mA load for each output.

Ground Pin Current: Typically 1 mA at 150 mA load, and

200 µA at 1 mA load for each output.

Enhanced Stability: The LP2967 is stable with output ca-

pacitor ESR as low as 5 m

Ω, which allows the use of ceramic

capacitors on the output.

Sleep Mode: Less than 2 µA quiescent current when SD

pins are pulled low.

Smallest Possible Size: micro SMD package uses absolute

minimum board space.

Precision Output: 1.25% tolerance.

Low Noise: By adding a 100 nF bypass capacitor, output

noise can be reduced to 30 µV (typical).

Multiple voltage options, from 1.8V to 5.0V, are available.

Consult factory for custom voltages.

Features

n

Ultra low drop-out voltage

n

Guaranteed 150mA output current, 300 mA peak

n

Smallest possible size (micro SMD package)

n

Requires minimum external components

n

Stable with 2.2 µF tantalum or ceramic capacitor

n

Output voltage accuracy ±1%

n <

2 µA quiescent current when shut down

n

Wide supply voltage range (16V max.)

n

Low Z

OUT: 0.3

Ω typical (10 Hz to 1 MHz)

n

Over temperature/over current 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 Assistance (PDA)

n

Camcorder, Personal Stereo and Camera

Block Diagram

10114201

April 2003

DS101142

www.national.com

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LP2967IBP-1825 Datasheet(PDF) 1 Page - National Semiconductor (TI)

LP2967IBP-1825 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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