UNISONIC TECHNOLOGIES CO., LTD
LM317
HIGH CURRENT 1.3V TO 37V
ADJUSTABLE VOLTAGE
REGULATOR
DESCRIPTION
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.
LINEAR INTEGRATED CIRCUIT
1
TO-220
1
TO-220F
1
TO-263
1
TO-252
FEATURES
*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
1
SOT-223
2
1
TO-3
Lead-free:
LM317K
Halogen-free: LM317G
ORDERING INFORMATION
Ordering Number
Normal
Lead Free
LM317-AA3-R
LM317K-AA3-R
LM317-TA3-T
LM317K-TA3-T
LM317-TF3-T
LM317K-TF3-T
LM317-TN3-R
LM317K-TN3-R
LM317-TN3-T
LM317K-TN3-T
LM317-TQ2-R
LM317K-TQ2-R
LM317-TQ2-T
LM317K-TQ2-T
LM317-T30-Y
LM317K-T30-Y
Note: 1. Pin Assignment: I:V
IN
O:V
OUT
2. Pin 3 on TO-3 is case
LM317K-AA3-R
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) R: Tape Reel, T: Tube, Y: Tray
(2) AA3: SOT-223, TA3: TO-220, TF3: TO-220F,
TN3: TO-252, TQ2: TO-263, T30: TO-3
(3) G: Halogen Free, K: Lead Free,
Blank: Pb/Sn
Halogen Free
LM317G-AA3-R
LM317G-TA3-T
LM317G-TF3-T
LM317G-TN3-R
LM317G-TN3-T
LM317G-TQ2-R
LM317G-TQ2-T
LM317G-T30-Y
Package
SOT-223
TO-220
TO-220F
TO-252
TO-252
TO-263
TO-263
TO-3
Pin Assignment
1
2
3
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
I
ADJ
O
Packing
Tape Reel
Tube
Tube
Tape Reel
Tube
Tape Reel
Tube
Tray
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Copyright © 2008 Unisonic Technologies Co., Ltd
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