LM323 datasheet(1/15 Pages) STMICROELECTRONICS

Teilenummer	LM323

Bauteilbeschribung	Three-terminal 3 A adjustable voltage regulators

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 15 page

February 2008

Rev 4

1/15

15

LM323

Three-terminal 3 A adjustable voltage regulators

Features

■ Output current: 3 A

■ Internal current and thermal limiting

■ Typical output impedance: 0.01 W

■ Minimum input voltage: 7.5 V

■ Power dissipation: 30 W

Description

The LM323 are three-terminal positive voltage

regulators with a preset 5 V output and a load

driving capability of 3 A. New circuit design and

processing techniques are used to provide the

high output current without sacrificing the

regulation characteristics of lower current devices.

The 3 A regulator is virtually blowout proof.

Current limiting, power limiting and thermal shut-

down provide the same high level of reliability

obtained with these techniques in the LM209, 1 A

regulator. An overall worst case specification for

the combined effects of input voltage, load

current, ambient temperature, and power

dissipation ensure that the LM323 will perform

satisfactorily as a system element.

TO-220

TO-3

Table 1.

Device summary

Order codes

Temperature range

TO-220

TO-3

LM323T

LM323K

0°C to 125°C

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