TLV431A, TLV431B
http://onsemi.com
5
Figure 10. Reference Input Voltage Change
versus Cathode Voltage
Figure 11. Off-State Cathode Current
versus Cathode Voltage
Figure 12. Off-State Cathode Current versus
Ambient Temperature
Figure 13. Dynamic Impedance versus
Frequency
Figure 14. Dynamic Impedance versus
Ambient Temperature
Figure 15. Open-Loop Voltage Gain
versus Frequency
V
KA
, CATHODE VOLTAGE (V)
0
-2.0
-6.0
-8.0
128.04.00
V
ref
, REFERENCE INPUT VOLTAGE CHANGE (mV)
V
KA
, CATHODE VOLTAGE (V)
20128.04.00
3.0
2.0
1.0
0
I
K(off)
, CATHODE CURRENT ( A)
-10
4.0
m
D
-4.0
16
T
A
, AMBIENT TEMPERATURE (°C)
0.4
0.3
3510-15-40
I
off
, OFF-STATE CATHODE CURRENT ( A)
f, FREQUENCY (Hz)
10 M10 k1.0 k
0.1
| , DYNAMIC IMPEDANCE (OHM)
0
10
0.1
100 k 1.0 M60 85
1.0
Za|
T
A
, AMBIENT TEMPERATURE (°C)
0.23
0.21
0.20
3510-15-40
|Za|, DYNAMIC IMPEDANCE (OHM)
f, FREQUENCY (Hz)
1.0 M1.0 k100
50
40
30
20
10
0
A
vol
, OPEN LOOP VOLTAGE GAIN (dB)
0.19
60
0.22
10 k 100 k
8560
0.24
I
off
Input V
KA
V
KA
= 16 V
V
ref
= 0 V
I
off
Input
V
KA
V
KA
= 16 V
V
ref
= 0 V
I
K
Input V
KA
R1
R2
V
ref
8.25 k
15 k
I
K
230
Output
9 Fm
50
+
-
Output
I
K
+
-
I
K
= 10 mA
T
A
= 25°C
I
K
= 0.1 mA to 20 mA
T
A
= 25°C
I
K
= 10 mA
T
A
= 25°C
m
0.2
I
K
= 0.1 mA to 20 mA
f = 1.0 kHz
50
+
-
Output
I
K
T
A
= 25°C
16
