LP2985IM5-4.8 National Semiconductor, LP2985IM5-4.8 Datasheet

LP2985IM5-4.8

Manufacturer Part Number

LP2985IM5-4.8

Description

Manufacturer

National Semiconductor

Datasheets

1.LP2985IM5-2.8.pdf (21 pages)

2.LP2985IM5-3.3.pdf (17 pages)

3.LP2985IM5-4.8.pdf (19 pages)

Specifications of LP2985IM5-4.8

Case

QFN

Date_code

06+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LP2985IM5-4.8

Manufacturer:

Quantity:

Company:

Meier Automation Equipment Co., Limited

Part Number:

LP2985IM5-4.8

Manufacturer:

NS/国半

Quantity:

20 000

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LP2985

Micropower 150 mA Low-Noise Ultra Low-Dropout

Regulator in SOT-23 and micro SMD Packages

Designed for Use with Very Low ESR Output Capacitors

General Description

The LP2985 is a 150 mA, fixed-output voltage regulator

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

tery powered applications.

Using an optimized VIP

cess, the LP2985 delivers unequalled performance in all

specifications critical to battery-powered designs:

Dropout Voltage: Typically 300 mV

7 mV

Ground Pin Current: Typically 850 µA

75 µA

Enhanced Stability: The LP2985 is stable with output ca-

pacitor ESR as low as 5 mΩ, which allows the use of ceramic

capacitors on the output.

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% tolerance output voltages available

(A grade).

Low Noise: By adding a 10 nF bypass capacitor, output

noise can be reduced to 30 µV (typical).

Multiple voltage options, from 2.5V to 5.0V, are available as

standard products. Consult factory for custom voltages.

Block Diagram

VIP

™

is a trademark of National Semiconductor Corporation.

1 mA load.

™

(Vertically Integrated PNP) pro-

DS100140

150 mA load, and

Features

n Ultra low dropout voltage

n Guaranteed 150 mA output current

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

n Requires minimum external components

n Stable with low-ESR output capacitor

n Low ground pin current at all loads

n Output voltage accuracy 1% (A Grade)

n High peak current capability

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 shut down

OUT

: 0.3Ω typical (10 Hz to 1 MHz)

10014001

www.national.com

March 2004

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