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
Parameter
Input-output voltage differential
Output current
Power dissipation
Operating junction temperature
Storage temperature
Value
40
1.5
Internally limited
0~+125
Unit
V
A
W
℃
℃
电
ON
固
MIC
Electrical characteristics
SE
E
=20W,unless otherwise specified)
(V -V =5V, I =500mA ,I =1.5A ,P
ANG
CH
IN
T
STG
i
o
O
MAX
MAX
导�½�
半
OR
DUT
-65~+125
Typ.
1.25
Max
1.3
0.05
1.0
100
5
5
66
1.2
Symbol
V
REF
Parameter
Reference voltage
Line regulation
Load regulation
△V
O
△V
O
I
ADJ
△
I
ADJ
△
I
ADJ
S
VR
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
Unit
V
%/
V
%
μA
μA
μA
dB