KA431S Fairchild Semiconductor, KA431S Datasheet - Page 5

• Manufacturer Part Number: KA431S
• Description: The KA431S, KA431SA, and KA431SL are three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges
• Manufacturer: Fairchild Semiconductor

Typical Performance Characteristics
Figure 8. Small Signal Voltage Amplification vs. Frequency
Figure 6. OFF-State Cathode Current vs.
Figure 4. Cathode Current vs. Cathode Voltage
-100
0.100
0.075
0.050
0.025
0.000
150
100
-50
-10
50
60
50
40
30
20
10
0
0
1k
-2
-50
V
T
KA
A
= 25
= V
Ambient Temperature
REF
o
C
-25
-1
10k
T
0
A
, Ambient Temperature (
V
0
KA
, Cathode Voltage (V)
Frequency (Hz)
25
100k
50
1
o
75
C)
1M
2
T
I
KA
A
= 25
= 10mA
100
o
C
10M
125
3
Figure 5. Cathode Current vs. Cathode Voltage
Figure7. Reference Input Current vs.
Figure 9. Pulse Response
-200
800
600
400
200
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
6
5
4
3
2
1
0
-1
0
-50
V
T
T
KA
A
A
= 25
=25
= V
Ambient Temperature
o
REF
o
C
C
-25
4
0
T
0
A
OUTPUT
, Ambient Temperature (
INPUT
V
KA
, CATHODE VOLTAGE (V)
8
25
Time (us)
1
50
12
KA431S/KA431SA/KA431SL
o
75
C)
I
KA(MIN)
2
16
100
20
125
3
5