Adjustable Voltage Regulator
INCHANGE
LM317T
Features
・With
TO-220 package
・1,Adjust
2,Output 3, Input
・Output
voltage range :1.2V to 37V
・Output
current in excess of 1.5A
123
Absolute maximum rating
Symbol
V
i
-V
o
I
O
P
D
T
OP
T
STG
Parameter
Input-output voltage differential
Output current
Power dissipation
Operating junction temperature
Storage temperature
Value
40
1.5
Internally limited
0~+125
-65~+125
Unit
V
A
W
℃
℃
Electrical characteristics
(V
i
-V
o
=5V, I
O
=500mA ,I
MAX
=1.5A ,P
MAX
=20W,unless otherwise specified)
Symbol
V
REF
△V
O
△V
O
Parameter
Reference voltage
Line regulation
Load regulation
Adjustment pin current
Adjustment pin current
Adjustment pin current
Ripple rejection
Test conditions
V
i
-V
o
=5V
I
O
=40mA to 500mA
V
i
-V
o
=3V to 40V
I
O
=500mA
V
i
-V
o
=5V
I
O
=10mA to 1.5A
V
i
-V
o
=5V
I
O
=40mA to 500mA
V
i
-V
o
=3V to 40V
I
O
=40mA to 500mA
V
i
-V
o
=5V
I
O
=10mA to 1.5A
V
o
=10V; I
O
=500mA;V
i
-V
o
=5V
f=100Hz, C
ADJ
=10μF
Min
1.2
Typ.
1.25
Max
1.3
0.05
1.0
100
5
5
66
Unit
V
％/
V
％
μA
μA
μA
dB
I
ADJ
△
I
ADJ
△
I
ADJ
S
VR
ISC [ INCHANGE SEMICONDUCTOR COMPANY LIMITED ]
