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Order this document by LM323/D

LM323, A

Positive Voltage Regulators

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

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

three鈥搕erminal regulators employ internal current limiting, thermal shutdown,

and safe鈥揳rea compensation. The A鈥搒uffix is an improved device with

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

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

plastic power package.

Although designed primarily as a fixed voltage regulator, these devices

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.

鈥?/div>

Output Current in Excess of 3.0 A

3鈥揂MPERE, 5 VOLT

POSITIVE

VOLTAGE REGULATORS

SEMICONDUCTOR

TECHNICAL DATA

鈥?/div>

Available with 2% Output Voltage Tolerance

No External Components Required

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting

Output Transistor Safe鈥揂rea Compensation

Thermal Regulation and Ripple Rejection Have Specified Limits

T SUFFIX

PLASTIC PACKAGE

CASE 221A

Pin 1. Input

2. Ground

3. Output

1

2

3

Heatsink surface is connected to Pin 2.

Simplified Application

Input

Cin*

0.33碌F

LM323, A

Output

CO**

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

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

on the input ripple voltage.

ORDERING INFORMATION

Output

Voltage

Tolerance

4%

2%

Operating

Temperature

Range

TJ = 0掳 to +125掳C

* Cin is required if regulator is located an appreciable

*

distance from power supply filter. (See Applications

*

Information for details.)

** CO is not needed for stability; however, it does

**

improve transient response.

Device

LM323T

LM323AT

Package

Plastic

Power

漏

Motorola, Inc. 1996

Rev 0

MOTOROLA ANALOG IC DEVICE DATA

1

LM323T

LM323AT 产品属性

标准包装
50
类别
集成电路 (IC)
家庭
PMIC - 稳压器 - 线性
系列
-
稳压器拓扑结构
正，固定式
输出电压
5V
输入电压
最高 20V
电压 - 压降（标准）
-
稳压器数量
1
电流 - 输出
3A
电流 - 限制（最小）
-
工作温度
0°C ~ 125°C
安装类型
通孔
封装/外壳
TO-220-3
供应商设备封装
TO-220AB
包装
管件
其它名称
LM323ATOS

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