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LM317T Datasheet, PDF (1/2 Pages) Fairchild Semiconductor – Adjustable Voltage Regulator (Positive)
MCC
TM
Micro Commercial Components
  omponents
20736 Marilla Street Chatsworth

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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
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter
Symbol
Value
Unit
Input Voltage
V1
40
V
Output Current
IO
1.5
A
Power Dissipation
Operating Temperature Range
Storage Temperature Range
PD
Internally Limited
W
TOPR
0---+125
℃
TSTG
-65---+125
℃
Operating Junction Temperature Range
Tj
0---+125
℃
Electrical Characteristics (Vi-Vo=5V, I0=500mA, IMAX=1.5A, PMAX=20W,
unless otherwise specified)
Parameter
Reference
Voltage
Load
regulation
Line
regulation
Adjustment
pin current
Sym
VREF
△Vo
△Vo
Iq
Min
1.2V
---
---
---
Typ
1.25V
---
---
---
Max
1.3V
1.0%
0.05%/V
100μA
Test conditions
Vi-Vo=5V,
IO=40mA to 500mA
Vi-Vo=5V,
IO=5mA to 1.5A
Vi-Vo=3V to 40V,
IO=40mA to 500mA
Vi-Vo=5V,
IO=40mA to 500mA
Adjustment
pin current
Iq(V)
---
---
Adjustment
pin current
Iq(i)
---
---
Ripple
rejection
Srip
66dB
---
5μA
5μA
---
Vi-Vo=3V to 40V,
IO=40mA to 500mA
Vi-Vo=5V,
IO=5mA to 1.5A
VO=10V
F=100Hz, CADJ=10μF
LM317T
Adjustable Voltage
Regulators
TO-220
B
F
C
S
Q
A
12 3
H
T
U
K
V
L
J
D
G
R
N
PIN 1.
PIN 2.
Adjust
Input
PIN 3.
Output
DIMENSIONS
INCHES
MM
DIM
MIN
MAX
MIN
MAX
NOTE
A
.560
.625
14.22
15.88
B
.380
.420
9.65
10.67
C
.140
.190
3.56
4.82
D
.020
.045
0.51
1.14
F
.139
.161
3.53
4.09
∅
G
.190
.110
2.29
H
---
.250
---
J
.012
.025
0.30
2.79
6.35
0.64
K
.500
.580
12.70
14.73
L
.045
.060
1.14
1.52
N
.190
.210
4.83
5.33
Q
.100
.135
2.54
3.43
R
.080
.115
2.04
S
.045
.055
1.14
2.92
1.39
T
.230
.270
5.84
6.86
U
-----
.050
-----
1.27
V
.045
-----
1.15
-----
Revision: A
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2011/01/01