LM317T (KA317)
TYPICAL PERFORMANCE CHARACTERISTICS
Fig. 1 Load Regulation
OUTPUT VOLTAGE DEVIATION (%)
0.2
0
-0.2
I
L
= 1.5A
Fig. 2 Adjustment Current
55
Adjustment Current (µA)
125
I
L
= 0.5A
50
-0.4
-0.6
-0.8
-1.0
0
25
50
75
100
TEMPERATURE (°C)
45
40
35
-50 -25
0
25
50
75
100 125
TEMPERATURE (°C)
Fig. 3 Dropout Voltage
INPU-OUTPUT VOLTAGE DIFFERENTIAL (V)
3
∆V
o
= 100mV
I
L
= 1.5A
Fig. 4 Reference Voltage
1.26
REFERENCE VOLTAGE (V)
125
1.255
1.25
1.245
1.24
1.235
-50 -25
2.5
I
L
= 1A
2
I
L
= 500mA
I
L
= 200mA
1.5
I
L
= 20mA
1
0
25
50
75
100
TEMPERATURE (°C)
0
25
50
75
100 125
TEMPERATURE (°C)
©2000 Fairchild Semiconductor International
Rev. B, May 2000