LM323 ON Semiconductor, LM323 Datasheet

LM323

Manufacturer Part Number

LM323

Description

3-AMPERE/ 5 VOLT POSITIVE VOLTAGE REGULATORS

Manufacturer

ON Semiconductor

Datasheet

1.LM323.pdf (8 pages)

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Positive Voltage Regulators

positive 5.0 V output with a load driving capability in excess of 3.0 A. These

three–terminal regulators employ internal current limiting, thermal shutdown,

and safe–area compensation. The A–suffix is an improved device with

superior electrical characteristics and a 2% output voltage tolerance. These

regulators are offered with a 0 to +125 C temperature range in a low cost

plastic power package.

can be used with external components to obtain adjustable voltages and

currents. These devices can be used with a series pass transistor to supply

up to 15 A at 5.0 V.

voltage must remain typically 2.5 V above the output voltage even during the low point

on the input ripple voltage.

MOTOROLA ANALOG IC DEVICE DATA

The LM323,A are monolithic integrated circuits which supply a fixed

Although designed primarily as a fixed voltage regulator, these devices

Output Current in Excess of 3.0 A

Available with 2% Output Voltage Tolerance

No External Components Required

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting

Output Transistor Safe–Area Compensation

Thermal Regulation and Ripple Rejection Have Specified Limits

A common ground is required between the input and the output voltages. The input

** C O is not needed for stability; however, it does

* C in is required if regulator is located an appreciable

improve transient response.

distance from power supply filter. (See Applications

Information for details.)

0.33 F

Input

C in *

Simplified Application

LM323, A

C O **

Output

LM323T

LM323AT

Device

Motorola, Inc. 1996

PLASTIC PACKAGE

VOLTAGE REGULATORS

Heatsink surface is connected to Pin 2.

Pin 1. Input

ORDERING INFORMATION

3–AMPERE, 5 VOLT

CASE 221A

T SUFFIX

Tolerance

Voltage

Output

LM323, A

2. Ground

3. Output

SEMICONDUCTOR

TECHNICAL DATA

Order this document by LM323/D

POSITIVE

T J = 0 to +125 C

Temperature

Operating

Range

Package

Plastic

Power

Rev 0

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