MCC
omponents
20736 Marilla Street Chatsworth
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TM
Micro Commercial Components
LM317T
Features
•
•
•
•
•
•
Output voltage range: 1.2V to 37V
Output current in excess of 1.5A
Adjustable Voltage
Regulators
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
TO-220
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter
Symbol
Value
Unit
Input Voltage
V1
40
V
Output Current
IO
1.5
A
Power Dissipation
PD
Internally Limited
W
Operating Temperature Range
TOPR
0---+125
℃
Storage Temperature Range
TSTG
-65---+125
℃
Tj
0---+125
Operating Junction Temperature Range
S
Q
T
A
U
℃
1 2
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
Adjustment
pin current
Adjustment
pin current
Ripple
rejection
Sym
Min
Typ
Max
VREF
1.2V
1.25V
1.3V
△Vo
---
---
1.0%
△Vo
---
---
0.05%/V
Iq
---
---
100μA
Iq(V)
---
---
5μA
Iq(i)
---
---
5μA
Srip
66dB
---
---
Test conditions
3
H
K
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
V
L
J
D
R
G
PIN 1.
PIN 2.
PIN 3.
N
Vi-Vo=3V to 40V,
IO=40mA to 500mA
Vi-Vo=5V,
IO=5mA to 1.5A
VO=10V
F=100Hz, CADJ=10μF
C
B
F
Adjust
Input
Output
DIM
A
B
C
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
D
F
G
H
J
K
L
N
.020
.139
.190
--.012
.500
.045
.190
.045
.161
.110
.250
.025
.580
.060
.210
0.51
3.53
2.29
--0.30
12.70
1.14
4.83
1.14
4.09
2.79
6.35
0.64
14.73
1.52
5.33
Q
R
S
T
U
V
.100
.080
.045
.230
----.045
.135
.115
.055
.270
.050
-----
2.54
2.04
1.14
5.84
----1.15
3.43
2.92
1.39
6.86
1.27
-----
NOTE
∅
www.mccsemi.com
Revision: A
1 of 2
2011/01/01
MCC
TM
Micro Commercial Components
Ordering Information :
Device
Packing
Part Number-BP
Bulk;1Kpcs/Box
***IMPORTANT NOTICE***
Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
www.mccsemi.com
Revision: A
2 of 2
2011/01/01
3