LM317T
3-Terminal Positive Adjustable Regulators
GENERAL DESCRIPTION
The LM317T are monolithic integrated circuits in TO220 packages.
They are intended for use as positive adjustable voltage regulators, and designed to supply
more than 1.5A of load current whit an output voltage adjustable over a 1.2 to 37V range.
Compliance to RoHS.
ABSOLUTE MAXIMUM RATINGS
Symbol
V
i
-V
o
I
o
P
D
T
OP
T
STG
Ratings
Input-Output Voltage Differential
Output Current
Power Dissipation
Operating Junction Temperature
Storage Temperature
Value
40
1.5
Internally
Limited
0° to 125
-65° to 150
Unit
V
A
W
°C
°C
THERMAL DATA
Symbol
R
thJC
R
thJA
Ratings
From Junction to Case Thermal Resistance
From Junction to Free-Air Thermal Resistance
Value
1.67
62.5
Unit
°C/W
CHARACTERISTICS
V
i
-V
o
= 5 V, I
O
= 500 mA, I
MAX
= 1.5 A, P
MAX
= 20 W, unless otherwise specified
Symbol
V
REF
∆
V
o
∆
V
o
I
ADJ
∆
I
ADJ
∆
I
ADJ
S
VR
Ratings
Reference Voltage
Line Regulation
Load Regulation
Adjustment Pin Current
Adjustment Pin Current
Adjustment Pin Current
Ripple Rejection
Test Condition(s)
V
i
-V
o
= 5 V
I
O
= 40 to 500 mA
V
i
-V
o
= 3 to 40 V
I
O
= 500 mA
V
i
-V
o
= 5 V
I
O
= 10mA to 1.5 A
V
i
-V
o
= 5 V
I
O
= 40 to 500 mA
V
i
-V
o
= 3 to 40 V
I
O
= 40 to 500 mA
V
i
-V
o
= 5 V
I
O
= 10mA to 1.5 A
V
i
-V
o
= 5 V; I
O
= 500 m A
V
O
= 10 V; f= 100 Hz
C
ADJ
= 10 µF
Min
1.2
-
-
-
-
-
66
Typ
1.25
-
-
-
-
-
-
Max
1.3
0.05
1
100
5
5
-
Unit
V
%/V
%
µA
µA
µA
dB
1/2
02/10/2012
COMSET SEMICONDUCTORS
COMSET [ COMSET SEMICONDUCTOR ]
