LM317-TQ2-R datasheet(3/5 Pages) UTC

3 / 5 page

LM317

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R101-009,K

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

TO-252

112

TO-220/TO-220F

TO-263

SOT-223

165

Junction-to-Ambient

TO-3

θJA

℃

TO-252

TO-220/TO-220F

TO-263

SOT-223

Junction-to-Case

TO-3

θJC

℃

ELECTRICAL CHARACTERISTICS

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

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Line Regulation

ΔVOUT/VOUT 3V≦VIN-VOUT≦40V

0.01

0.04

%/V

VOUT≦5V

Load Regulation

ΔVOUT

10mA≦IOUT≦1A

VOUT≧5V

0.1

0.5

Adjustable Pin Current

IADJ

100

μA

Adjustable Pin Current Change

ΔIADJ

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

CADJ=0

Ripple Rejection

VOUT=10V,f=120HZ

CADJ=10μF

Note: CADJ is connected between Adjust pin and Ground.

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