LM317 datasheet(2/7 Pages) FOSHAN

부품명	LM317

상세설명	Voltage Regulator in a TO-220 Plastic Package

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제조업체	FOSHAN [Foshan Blue Rocket Electronics Co.,Ltd.]

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2 / 7 page

LM317

Rev.F Mar.-2016

DATA SHEET

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参数

Parameter

符号

Symbol

数值

Rating

单位

Unit

Input - Output Voltage Difference

Vi-o

40

V

Output Current

IO

Internally

Limited

A

Operating Junction Temperature Range

TJ

0～125

℃

Power Dissipation

Ptot

Internally

Limited

W

Storage temperature range

Tstg

-55～150

℃

参数

Parameter

符号

Symbol

测试条件

Test Conditions

最小值

Min

典型值

Typ

最大值

Max

单位

Unit

Line regulation

△

Vo

Vi-Vo=3to40V

TJ=25℃

0.01

0.04

%/V

Vi-Vo=3to40V

0.02

0.07

%/V

Load Regulation

△

Vo

Vo≤5V

Io=10mAtoIMAX

TJ=25℃

5

25

mV

Vo≤5V

Io=10mAtoIMAX

20

70

mV

Vo≥5V

Io=10mAtoIMAX

TJ=25℃

0.1

0.5

%

Vo≥5V

Io=10mAtoIMAX

0.3

1.5

%

Adjustable Pin Current

IADJ

50

100

μA

Adjustable Pin Current

Change

△

IADJ

Vi-Vo=2.5to40V

Io=10mAtoIMAX

0.2

5

μA

Reference Voltage

VREF

Vi-Vo=2.5to40V

Io=10mAtoIMAX

PD≤PMAX

1.2

1.25

1.3

V

Line Regulation

△

VO

1

%

Minimum Load Current for

Regulation

Io(min)

Vi-Vo=40V

3.5

10

mA

Maximum Output Current

IO(max)

Vi-Vo≤15V

PD＜PMAX

1.5

2.2

A

Vi-Vo=40V

PD＜PMAX

TJ=25℃

0.4

A

RMS Noise vs. %of VOUT

eN

B=10Hzto10KHz TJ=25℃

0.003

%

Ripple Rejection

SVR

TJ=25℃

f=120Hz

CADJ=0

CADJ=10μF

65

dB

66

80

dB

极限参数 / Absolute Maximum Ratings(Ta=25℃)

电性能参数 / Electrical Characteristics(Ta=25℃)

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