LM317K-TN3-R datasheet(3/5 Pages) ETL

3 / 5 page

LM317

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R101-009.L



ABSOLUTE MAXIMUM RATINGS (TA=25C, unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Input - Output Voltage Difference

VIN-VOUT

Power Dissipation

Internal limited

Junction Temperature

+125

C

Operating Temperature

TOPR

-40 ~ +85

C

Storage Temperature

TSTG

-40 ~ +150

C

Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device

could be damaged beyond Absolute maximum ratings.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction-to-Ambient

TO-252

θJA

112

C/W

TO-220/TO-220F

TO-263/TO-263-3

SOT-223

165

TO-3

Junction-to-Case

TO-252

θJC

C/W

TO-220/TO-263

TO-263-3

TO-220F

7.8

SOT-223

TO-3



ELECTRICAL CHARACTERISTICS

(VIN-VOUT=5V, IOUT=10mA, TA=25C, unless otherwise specified.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Line Regulation

VOUT/VOUT 3V≦VIN-VOUT≦40V

0.01 0.04

%/V

Load Regulation

VOUT

10mA≦IOUT≦1A

VOUT≦5V

VOUT≧5V

0.1

0.5

Adjustable Pin Current

IADJ

100

μA

Adjustable Pin Current Change

IADJ

3V≦VIN-VOUT≦40V,

10mA≦IOUT≦1A, PD≦20W

0.2

μA

Reference Voltage

VREF

3V≦VIN-VOUT≦40V,

10mA≦IOUT≦1A, PD≦20W

1.20

1.25 1.30

Temperature Stability

TMIN≦TJ≦TMAX

0.7

%/VOUT

Minimum Load Current for Regulation

IL(MIN)

VIN-VOUT=40V

3.5

Maximum Output Current

IO(MAX)

VIN-VOUT=40V, PD≦20W

0.2

0.3

RMS Noise vs. %of VOUT

10HZ≦f≦10KHZ

0.003

%/VOUT

Ripple Rejection

VOUT=10V,f=120HZ

CADJ=0

CADJ=10μF66

Note: CADJ is connected between Adjust pin and Ground.

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