LM317L

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R101-008.L



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

Input-Output Differential Voltage

VIN-VOUT

40

V

Power Dissipation

PD

Internally Limited

Junction Temperature

TJ

+125

C

Operating Junction Temperature

TOPR

-40 ~ +125

C

Storage Temperature Range

TSTR

-40 ~ +150

C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

SOT-89

θJA

180

°C/W

SOP-8

175

°C/W

TO-92

190

°C/W

Junction to Case

SOT-89

θJC

50

°C/W

SOP-8

27

°C/W

TO-92

83

°C/W



ELECTRICAL CHARACTERISTICS

(VIN-VOUT=5V, IOUT=40mA, Ta=25C, unless otherwise specified.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Line Regulation

VOUT/VOUT 3V≦VIN-VOUT≦40V, ILOAD<20mA

0.01

0.04

%/V

Load Regulation

VOUT

5mA≦IOUT≦100mA

VOUT≦5V

5

25

mV

VOUT≧5V

0.1

0.5

%

Adjustable Pin Current

IADJ

50

100

A

Adjustable Pin Current Change

IADJ

3V≦VIN-VOUT≦40V,

5mA≦IOUT≦100mA, PD＜625mW

0.2

5

A

Reference Voltage

VREF

3V≦VIN-VOUT≦40V,

5mA≦IOUT≦100mA, PD＜625mW

1.20

1.25

1.30

V

Temperature Stability

TMIN≦TJ≦TMAX

0.7

%/VOUT

Minimum Load Current for Regulation

IL(MIN)

VIN-VOUT=40V

3.5

10

mA

Maximum Output Current

IO(MAX)

VIN-VOUT≦40V，PD<625mW

15

mA

RMS Noise vs. %of VOUT

eN

10HZ≦f≦10KHZ

0.003 0.01 %/VOUT

Ripple Rejection

RR

VOUT=10V,f=120HZ,

CADJ=0

65

dB

CADJ =10F

66

80

dB

Note: CADJ is connected between Adjust pin and Ground.