Datasheet > LM317T

LM317T

更新时间： 2024-10-29 11:34:43

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描述
3-Terminal Positive Adjustable Regulator

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中文翻译

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数据手册

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LM317T 数据手册

TIGER ELECTRONIC CO.,LTD

Product specification

3-Terminal Positive Adjustable Regulator

LM317

Features

Description

Output Current In Excess of 1. 5A

Output Adjustable Between 1. 2V and 37V

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting

Output Transistor Safe Operating Area Compensation

TO-220 Package

This monolithic integrated circuit is an adjustable

3-terminal positive voltage regulator designed to

supply more than 1.5A of load current with

anoutput voltage adjustable over a 1.2 to 37V.

It employs internal current limiting, thermal

shut-down and safe area compensation.

Absolute Maximum Ratings ( Ta = 25 ^OC)

Parameter

Symbol

Typ

Unit

Input-Output Voltage Differential

Lead Temperature

V_I-V_O

TLEAD

P_D

^oC

230

Internally li

mited

Power Dissipation

^oC

Operating Junction Temperature

Range

T_j

0~125

2 3

Storage Temperature Range

-65~150

T_STG

TO-220

Temperature Coefficient of Output

Voltage

%/^oC

1. Adj 2. Output 3. Input

Vo/

0.02

Electrical Characteristics

( Ta = 25 C)

(V - V_O= 5 V, I_O= 0.5 A, 0^oC T_J+ 125^oC, I_MAX= 1.5A,P_DMAX= 20W, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

TA = +25^oC

0.01

0.02

0.04

0.07

3V V_I- V_O40V

Line Regulation (Note1)

% / V

Rline

3V V_I- V_O40V

TA = +25^oC, 10mA I_OI_MAX

V_O< 5V

V_O5V

0.4

0.5

Load Regulation (Note1)

Rload

mV % / V_O

10mA I_OI_MAX

V_O< 5V

V_O5V

1.5

0.8

Adjustable Pin Current

I_ADJ

100

3V V_I- V_O40V

10mA I_OI_MAXP_DP_MAX

Adjustable Pin Current Change

2.0

3V V_IN- V_O40V

10mA I_OI_MAX

P_DP_MAX

Reference Voltage

1.20

1.25

1.30

V_REF

I_O(MAX)

V_I- V_O15V, P_DP_MAX

V_I- V_O40V, P_DP_MAX

2.0

0.3

Maximum Output Current

1.0

V_O= 10V, f = 120Hz

without CADJ

C_ADJ= 10 F (Note2)

Ripple Rejection

Note:

1. Load and line regulation are specified at constant junction temperature. Change in V_Ddue to heating effects must be taken

into account separately. Pulse testing with low duty is used. (P_MAX= 20W)

2. C_ADJ, when used, is connected between the adjustment pin and ground.

中文翻译

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与LM317T相关器件

型号	品牌	获取价格	描述	数据表
LM317T#PBF	Linear	获取价格	IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSFM3, PLASTIC, TO-220, 3 PIN, Adjustabl
LM317T/LF01	TI	获取价格	LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317T/NOPB	TI	获取价格	LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317T_NL	FAIRCHILD	获取价格	Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, PSFM3, LEAD FREE, TO-220, 3 PIN
LM317T2	MOTOROLA	获取价格	1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSFM3, PLASTIC, TO-220, 3 PIN
LM317-T30-Y	UTC	获取价格	HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317T4	ONSEMI	获取价格	1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSFM3, PLASTIC, TO-220, 3 PIN
LM317-TA3-T	UTC	获取价格	HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317T-BP	MCC	获取价格	Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, PSFM3, ROHS COMPLIANT, PLASTIC,
LM317T-DG	STMICROELECTRONICS	获取价格	1.2 V to 37 V adjustable voltage regulators

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