LM317A

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R101-026.E



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input-Output Voltage Differential

40

V

Power Dissipation

Internally limited

Junction Temperature

+125

°C

Operating Temperature

-40 ~ +85

°C

Storage Temperature

-65 ~ +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 DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

SOT-223

140

°C/W

TO-220/TO-220F2

50

°C/W

TO-252

103

°C/W

TO-263

62.5

°C/W

Junction to Case

SOT-223

23.5

°C/W

TO-220/TO-263

5

°C/W

TO-220F2

8

°C/W

TO-252

12

°C/W



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Line Regulation

0.01

0.04

%/V

Load Regulation

5

25

mV

0.1

0.5

%

Adjustable Pin Current

50

100

μA

Adjustable Pin Current Change

0.2

5

μA

Reference Voltage

1.20

1.25

1.30

V

Temperature Stability

0.7

Minimum Load Current for Regulation

4.5

mA

Maximum Output Current

0.3

0.4

A

1.5

2.2

A

eN

0.003

Ripple Rejection

RR

65

dB

66

80

dB