TL431
■
TYPICAL CHARACTERISTICS
Cathode Current vs. Cathode Voltage
150
125
V =V
KA
REF
800
LINEAR INTEGRATED CIRCUIT
Cathode Current vs. Cathode Voltage
T
a
=25°C
V
KA
=V
REF
T
a
=25°C
Cathode Current (mA)
100
75
50
25
0
-25
-50
-75
-100
-2
-1
0
1
2
3
600
Cathode Current (μA)
400
I
KA(MIN)
200
0
-200
-2
-1
0
1
2
3
Cathode Voltage (V)
Cathode Voltage (V)
0
Change in Reference Input Voltage vs.
Cathode Voltage
I
KA
=10mA
Ta=25°C
Input and Output Voltage (V)
Pulse Response
7
Change In Reference Input Voltage (mV)
T
a
=25°C
6
5
4
3
2
1
0
-1
-1
0
1
2
3
4
5
6
7
-5
-10
-15
-20
-25
-30
-35
-40
0
5
10
15
20
25
30
35
40
Cathode Voltage (V)
Time (
µ
s)
3.0
2.4
Deviation of Reference Voltage
over Temperature
I
KA
=10mA
Frequency Response
60
50
40
1.6
30
20
0.8
10
0
-40 -20
0
25 50 75 100 125 150
Temperature, ( )
0
1K
10K
100K
1M
10M
Frequency, f (Hz)
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