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