LM431SB Fairchild Semiconductor, LM431SB Datasheet - Page 5

• Manufacturer Part Number: LM431SB
• Description: The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range
• Manufacturer: Fairchild Semiconductor

LM431SA/LM431SB/LM431SC Rev. 1.0.9
© 2012 Fairchild Semiconductor Corporation
Typical Performance Characteristics
Figure 8. Small Signal Voltage Amplification vs.
Figure 4. Cathode Current vs. Cathode Voltage
-100
Figure 6. OFF-State Cathode Current vs.
150
100
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
-50
50
-10
60
50
40
30
20
10
0
0
-2
-50
1k
V
T
KA
A
= 25
= V
-25
REF
o
C
Ambient Temperature
-1
10k
0
T
A
, Ambient Temperature (
Frequency
V
25
KA
0
, Cathode Voltage (V)
Frequency (Hz)
100k
50
1
75
o
C)
1M
100
2
T
I
KA
A
= 25
= 10mA
125
o
C
10M
3
150
5
Figure 5. Cathode Current vs. Cathode Voltage
-200
800
600
400
200
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Figure 7. Reference Input Current vs.
-1
6
5
4
3
2
1
0
-50
0
V
T
A
KA
T
= 25
A
= V
=25
Figure 9. Pulse Response
REF
o
o
-25
C
C
Ambient Temperature
4
0
T
0
A
OUTPUT
, Ambient Temperature (
INPUT
V
KA
, CATHODE VOLTAGE (V)
8
25
Time (us)
1
50
12
o
75
C)
I
KA(MIN)
2
16
100
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125
20
3