LM317CT

更新时间： 2024-10-29 04:59:47

品牌	Logo	应用领域
威世 - VISHAY		线性稳压器IC 调节器电源电路输出元件局域网
页数	文件大小	规格书
6页	123K
描述
3-Terminal Adjustable Output Positive Voltage Regulators

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中文翻译

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技术参数
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LM317CT 技术参数

生命周期：	Transferred	零件包装代码：	SFM
包装说明：	TO-220,	针数：	3
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.07
JESD-30 代码：	R-PSFM-T3	功能数量：	1
端子数量：	3	工作温度TJ-Max：	125 °C
工作温度TJ-Min：		最大输出电流 1：	1.5 A
最大输出电压 1：	37 V	最小输出电压 1：	1.2 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	TO-220
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
认证状态：	Not Qualified	调节器类型：	ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
表面贴装：	NO	端子形式：	THROUGH-HOLE
端子位置：	SINGLE	Base Number Matches：	1

LM317CT 数据手册

LM317CM & LM317CT

New Product

Vishay Semiconductor

3-Terminal Adjustable Output Positive Voltage Regulators

Pin Arrangement

Description

The LM317 is an adjustable 3-terminal positive voltage

regulator capable of supplying in excess of 1.5A over an

output voltage range of 1.2V to 37V. This voltage regulator

is exceptionally easy to use and requires only two external

resistors to set the output voltage. Further, it employs internal

current limiting, thermal shutdown and safe area compen-

sation, making it essentially blow-out proof.

TO-263

(LM317CM)

TO-220

(LM317CT)

1. Adjust

2. V_out

3. V_in

Features

Heatsink is connected to pin 2

• Output current in excess of 1.5 ampere

• Output adjustable between 1.2V and 37V

• Internal thermal overload protection

Standard Application

out

LM317

• Internal short-circuit current limiting

constant with temperature

240Ω

Adjust

ADJ

Cin

0.1µF

1µF

• Output transistor safe-area compensation

• Floating operation for high voltage applications

• Eliminates stocking many fixed voltages

Notes:

Cin is required if regulator is located an appreciable distance from power

supply filter.

Mechanical Data

Case: TO-220 and TO-263 packages

Co is not needed for stability, however, it does improve transient response.

V_out= 1.25V (1 + R₂/R₁) + I_AdjR2

Weight: approx. 1.35g

Since I_Adjis controlled to less than 100µA, the error associated with this

term is negligible in most applications

Case outlines are on the back page.

Functional Block Diagram

Input

Voltage

Reference

Protection

Circuitry

Rlimit

Vadj

Output

Maximum Ratings Ratings at 25°C ambient temperature unless otherwise specified.

Parameter

Symbol

V_i-V_o

P_D

Value

Unit

Vdc

Input-Output Voltage Differential

Power Dissipation, 25°C Free-Air Temperature

Power Dissipation, 25°C Case Temperature

Operating Junction Temperature Range

Storage Junction Temperature Range

P_D

T_J

0 to +125

–65 to +150

°C

T_stg

°C

Document Number 74809

29-Nov-01

www.vishay.com

12 3 4 5 6

中文翻译

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与LM317CT相关器件

型号	品牌	获取价格	描述	数据表
LM317CT-E3	VISHAY	获取价格	IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN, Adjustable Positiv
LM317D	BL Galaxy Electrical	获取价格	1A Linear Voltage Regulator with 40V Output
LM317D2T	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator
LM317D2T	MOTOROLA	获取价格	Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2, PLASTIC, D2PAK-
LM317D2T	STMICROELECTRONICS	获取价格	1.2V TO 37V VOLTAGE REGULATOR
LM317D2TE	STMICROELECTRONICS	获取价格	1.2V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, D2PAK-3
LM317D2TG	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator
LM317D2TR4	MOTOROLA	获取价格	Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2, PLASTIC, D2PAK-
LM317D2TR4	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator
LM317D2TR4G	ONSEMI	获取价格	1.5 A Adjustable Output, Positive Voltage Regulator

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