LM9071S National Semiconductor, LM9071S Datasheet

LM9071S

Manufacturer Part Number

LM9071S

Description

Low-Dropout System Voltage Regulator with Delayed Reset

Manufacturer

National Semiconductor

Datasheets

1.LM9071T.pdf (9 pages)

2.LM9071S.pdf (7 pages)

3.LM9071S.pdf (7 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM9071S

Manufacturer:

Quantity:

500

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LM9071

Low-Dropout System Voltage Regulator with Delayed

Reset

General Description

The LM9071 is a 5V, 250 mA low-dropout voltage regulator.

The regulator features an active low delayed reset output

flag which can be used to reset a microprocessor system on

turn-ON and in the event that the regulator output falls out of

regulation for any reason. An external capacitor programs a

delay time interval before the reset output can return high.

Designed for automotive application the LM9071 contains a

variety of protection features such as reverse battery, over-

voltage shutdown, thermal shutdown, input transient protec-

tion and a wide operating temperature range.

Design techniques have been employed to allow the regu-

lator to remain operational and not generate false reset

signals when subjected to high levels of RF energy (300V/m

from 2 MHz to 400 MHz).

Typical Application and Connection Diagrams

(Top View)

See NS Package Number T05A

Order Number LM9071T

5-Lead TO-220 Package

DS012832

01283202

01283201

Features

n Automotive application reliability

n 3% output voltage tolerance

n Insensitive to radiated RFI

n Dropout voltage less than 800 mV with 250 mA output

n Externally programmed reset delay interval

n Thermal shutdown

n Short circuit protection

n Reverse battery protection

n Wide operating temperature range −40˚C to +125˚C

n TO-220 and TO-263 power surface mount power

n Pin for pin compatible with the LM2927, L4947 and

Tab and Backside metal on all packages internally connected to ground.

current

packages

TLE4260

5-Lead TO-263 Surface Mount Package

Order Number LM9071T/Flow LB03

See NS Package Number TS5B

See NS Package Number T05D

Order Number LM9071S

5-Lead TO-220 Package

01283204

www.national.com

March 2001

01283203

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