LM431SA Fairchild Semiconductor, LM431SA Datasheet - Page 5
LM431SA
Manufacturer Part Number
LM431SA
Description
The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range
Manufacturer
Fairchild Semiconductor
Datasheet
1.LM431SA.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM431SACMFX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Part Number:
LM431SAIMFX
Manufacturer:
ON/安森美
Quantity:
20 000
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
www.fairchildsemi.com
125
20
3