LM9071

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SNVS131D – DECEMBER 1999 – REVISED APRIL 2013

LM9071 Low-Dropout System Voltage Regulator with Delayed Reset

Check for Samples: LM9071

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FEATURES

DESCRIPTION

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

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Automotive Application Reliability

regulator. The regulator features an active low

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3% Output Voltage Tolerance

delayed reset output flag which can be used to reset

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Insensitive to Radiated RFI

a microprocessor system on turn-ON and in the event

that the regulator output falls out of regulation for any

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Dropout Voltage Less than 800 mV with 250

reason. An external capacitor programs a delay time

mA Output Current

interval before the reset output can return high.

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Externally Programmed Reset Delay Interval

Designed for automotive application the LM9071

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Thermal Shutdown

contains a variety of protection features such as

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Short Circuit Protection

reverse

battery,

over-voltage

shutdown,

thermal

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Reverse Battery Protection

shutdown, input transient protection and a wide

operating temperature range.

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Wide Operating Temperature Range

−40°C to

+125°C

Design techniques have been employed to allow the

regulator to remain operational and not generate false

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TO-220 and TO-263 Power Surface Mount

reset signals when subjected to high levels of RF

Power Packages

energy (300V/m from 2 MHz to 400 MHz).

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Pin for Pin Compatible with the LM2927, L4947

and TLE4260

Typical Application and Connection Diagrams

(Top View)

Figure 1.

Figure 2. 5-Lead TO-220 Package

Package Number KC0005A

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PRODUCTION DATA information is current as of publication date.

Copyright © 1999–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.