UNI SONI C TECHNOLOGI ES CO., LTD

LM317

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

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Copyright © 2017 Unisonic Technologies Co., Ltd

QW-R101-009.Q

H I GH CU RREN T 1 .3 V T O 3 7 V

ADJ U ST ABLE V OLT AGE

REGU LAT OR



DESCRI PT I ON

The UTC LM317 is an adjustable 3-terminal positive voltage

regulator, designed to supply 1A of output current with voltage

adjustable from 1.3V ~ 37V.



FEAT U RES

*Output voltage adjustable from 1.3V ~ 37V

*Output current in excess of 1A

*Internal short circuit protection.

*Internal over temperature protection.

*Output transistor safe area compensation

TO-220

1

TO-263

1

TO-252

1

TO-3

TO-220F

1

1

SOT-223

1

2

TO-263-3

1

SOP-8



ORDERI N G I N FORM AT I ON

Ordering Number

Pin Assignment

Lead Free

Halogen Free

Package

123456

7

8

Packing

LM317K-AA3-R

LM317G-AA3-R

SOT-223

ADJ

O

I

-

-

-

-

-

Tape Reel

LM317K-TA3-T

LM317G-TA3-T

TO-220

ADJ

O

I

-

-

-

-

-

Tube

LM317K-TF3-T

LM317G-TF3-T

TO-220F

ADJ

O

I

-

-

-

-

-

Tube

LM317K-TN3-R

LM317G-TN3-R

TO-252

ADJ

O

I

-

-

-

-

-

Tape Reel

LM317K-TQ2-R

LM317G-TQ2-R

TO-263

ADJ

O

I

-

-

-

-

-

Tape Reel

LM317K-TQ2-T

LM317G-TQ2-T

TO-263

ADJ

O

I

-

-

-

-

-

Tube

LM317K-TQ3-R

LM317G-TQ3-R

TO-263-3

ADJ

O

I

-

-

-

-

-

Tape Reel

LM317K-TQ3-T

LM317G-TQ3-T

TO-263-3

ADJ

O

I

-

-

-

-

-

Tube

LM317K-T30-Y

LM317G-T30-Y

TO-3

I

ADJ

O

-

-

-

-

-

Tray

LM317K-T30-A-Y

LM317G-T30-A-Y

TO-3

ADJ

I

O

-

-

-

-

-

Tray

LM317K-S08-R

LM317G-S08-R

SOP-8

I

O

O

ADJ NC

O

O

NC

Tape Reel

Note:

2. Pin 3 on TO-3 is case

(1) R: Tape Reel, T: Tube, Y: Tray

(2) refer to Pin Assignment

(3) AA3: SOT-223, TA3: TO-220, TF3: TO-220F,

TN3: TO-252, TQ2: TO-263, TQ3: TO-263-3

T30: TO-3, S08: SOP-8

(4) G: Halogen Free and Lead Free, K: Lead Free

LM317G-T30-Y-R

(1)Packing Type

(2)Pin Assignment

(3)Package Type

(4)Green Package