MCC
Micro Commercial Components
TM
omponents
20736 Marilla
Street Chatsworth
!"#
$% !"#
LM317T
Features
•
•
•
•
•
•
Output voltage range: 1.2V to 37V
Output current in excess of 1.5A
Marking:LM317
Lead Free Finish/RoHS Compliant (Note1) ("P" Suffix designates
RoHS Compliant. See ordering information)
Epoxy meets UL 94 V-0 flammability rating
Moisure Sensitivity Level 1
Adjustable Voltage
Regulators
Maximum Ratings @ T
A
=25
O
C, Unless Otherwise Noted
Parameter
Input Voltage
Output Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Operating Junction Temperature Range
TO-220
Unit
V
A
W
℃
℃
℃
H
K
A
U
1 2
3
F
Q
T
B
C
S
Symbol
V
1
I
O
P
D
T
OPR
T
STG
T
j
Value
40
1.5
Internally Limited
0---+125
-65---+125
0---+125
Electrical Characteristics (V
i
-V
o
=5V, I
0
=500mA, I
MAX
=1.5A, P
MAX
=20W,
unless otherwise specified)
Parameter
Reference
Voltage
Load
regulation
Line
regulation
Adjustment
pin current
Adjustment
pin current
Adjustment
pin current
Ripple
rejection
Sym
V
REF
△V
o
△V
o
I
q
I
q(V)
I
q(i)
Srip
Min
1.2V
---
---
---
---
---
66dB
Typ
1.25V
---
---
---
---
---
---
Max
1.3V
1.0%
0.05%/V
100μA
5μA
5μA
---
Test conditions
Vi-Vo=5V,
I
O
=40mA to 500mA
Vi-Vo=5V,
I
O
=5mA to 1.5A
Vi-Vo=3V to 40V,
I
O
=40mA to 500mA
Vi-Vo=5V,
I
O
=40mA to 500mA
Vi-Vo=3V to 40V,
I
O
=40mA to 500mA
Vi-Vo=5V,
I
O
=5mA to 1.5A
V
O
=10V
F=100Hz, C
ADJ
=10μF
L
G
N
V
D
PIN 1.
PIN 2.
PIN 3.
J
R
Adjust
Input
Output
DIM
A
B
C
D
F
G
H
J
K
L
N
Q
R
S
T
U
V
DIMENSIONS
INCHES
MM
MIN
MAX
MIN
MAX
.560
.625
14.22
15.88
.380
.420
9.65
10.67
.140
.190
3.56
4.82
.020
.139
.190
---
.012
.500
.045
.190
.100
.080
.045
.230
-----
.045
.045
.161
.110
.250
.025
.580
.060
.210
.135
.115
.055
.270
.050
-----
0.51
3.53
2.29
---
0.30
12.70
1.14
4.83
2.54
2.04
1.14
5.84
-----
1.15
1.14
4.09
2.79
6.35
0.64
14.73
1.52
5.33
3.43
2.92
1.39
6.86
1.27
-----
NOTE
∅
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Revision: A
1 of 2
2011/01/01
MCC [ Micro Commercial Components ]
