Datasheet > LM317

LM317

更新时间： 2023-12-06 20:09:50

品牌	Logo	应用领域
江苏长电/长晶 - CJ		/
页数	文件大小	规格书
22页	1904K
描述
TO-263-2L

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LM317 数据手册

JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD

1.5A Adjustable Three-terminal Positive Voltage Regulator

LM317 Adjustable Three-Terminal Regulator

3 Features

1 Introduction

The LM317 is a three terminal positive voltage

regulator with maximum 1.5A current output and

adjustable output. The voltage regulator is very easy

to use, which only needs two external resistors to set

the output voltage, and the output voltage can be set

in the range of 1.25V to 37V. In addition, the LM317

is also designed to integrate internal current limiting,

thermal shutdown and safe working area

compensation, which makes it relatively difficult to

damage and basically prevent the burning of circuit

fuses.

•

The output current exceeds 1.5A

The output is adjustable from 1.25V to

37V

•

Internal thermal overload protection

Temperature independent internal short

circuit current limit

•

Output transistor safe working area

compensation

Commonly used TO-252 package, as

well as other forms of three pin package

Avoid preparing multiple fixed voltages

The LM317 serves a variety of applications, including

local voltage stabilization and card voltage

stabilization. It can also be used to make a

programmable voltage regulator, or as a precision

current regulator by connecting a fixed resistance

between the adjustment point and the output.

4 Available Packages

PART NUMBER

PACKAGE

SOT-223

TO-220-3L

TO-252-2L

TO-263-2L

LM317

2 Applications

•

Air Conditioner

Base Station

Desktop Computer

Digital Sign

Ethernet Switch

IP Telephone: Wired and Wireless Motor Control

Power Quality Meter

Private Switch (PBX)

Public Server

V_IN

V_OUT

OUT

LM317

ADJ

R₁

I_ADJ

Refrigerator

C_OUT

C_IN

0.1µF

Security Camera

1.0µF

R₂

Signal or Waveform Generator

Substation Control

Washing Machine

Typical Application Circuits

Please carefully read the notice at the end of this data sheet about product use, data sheet changes and important statements.

12 3 4 5 6 7...22

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与LM317相关器件

型号	品牌	获取价格	描述	数据表
LM317(SOT-223)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM317(TO-252)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM317/D	ETC	获取价格	Three-Terminal Adjustable Output Positive Voltage Regulator
LM317_06	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator
LM317_11	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator
LM317_17	UTC	获取价格	HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM3171	FAIRCHILD	获取价格	3-Terminal 0.1A Positive Adjustable Regulator
LM317A	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317A	NSC	获取价格	3-Terminal Adjustable Regulator
LM317A	TI	获取价格	1.5A、40V、高精度、可调节线性稳压器