LM317
Vishay
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
0.6
A
= 25°C unless otherwise noted)
Fig. 5 – Load Regulation
4
Fig. 6 – Current Limit
∆V
o -- Output Voltage Change (%)
0.4
0
--0.2
I
L
= 0.5A
I
o
-- Output Current (A)
0.2
3
T
J
= 25°C
2
T
J
= 150°C
1
T
J
= --55°C
I
L
= 1.5A
--0.4
--0.6
--0.8
--1.0
--75
V
I
= 15V
V
o
= 10V
0
--50 --25
0
25
50
75
100 125 150 175
0
10
20
30
40
Fig. 7 – Adjustment Pin Current
75
3.0
Fig. 8 – Dropout Voltage
V
I
-- V
o
-- Input -- Output Voltage
Differential (Vdc)
I
ADJ
-- Adjustment Pin Current (µA)
70
65
60
55
50
45
40
35
--75
∆V
o
= 100mV
2.5
I
L
= 1.5A
2.0
I
L
= 1.0A
I
L
= 500mA
1.5
I
L
= 200mA
I
L
= 20mA
1.0
--75
--50 --25
0
25
50
75
100 125 150 175
--50 --25
0
25
50
75
100 125 150 175
Fig. 9 – Temperature Stability
1.260
5.0
4.5
Fig. 10 – Minimum Operating Current
V
ref
-- Reference Voltage (V)
I
O
-- Quiescent Current (mA)
4.0
T
J
= 25°C
3.5
T
J
= --55°C
3.0
2.5
2.0
1.5
1.0
0.5
T
J
= 150°C
1.250
1.240
1.230
1.220
--75
0
--50 --25
0
25
50
75
100 125 150 175
0
10
20
30
40
50
www.vishay.com
4
Document Number 74809
30-Oct-02
VISHAY [ VISHAY TELEFUNKEN ]
