TL431BLP Datasheet, PDF (3/4 Pages) Micro Commercial Components – Programmable Precision Regulator

0
I_K = 10 mA
T_A = 25°C
-8.0
-16 _Input
R1
-24 _{R2 Vref}
V_KA
I_K
-320
10
20
30
40
V_KA, CATHODE VOLTAGE (V)
Figure 8. Change in Reference Input
Voltage versus Cathode Voltage
MCC
TM
Micro Commercial Components
1.0 k
100
10
V_KA = 36 V
1.0
Input
V_ref
=
0
V
I_off
V_KA
0.1
0.0-155
-25
0
25
50
75 100 125
T_A, AMBIENT TEMPERATURE (5C)
Figure 9. Off–State Cathode Current
versus Ambient Temperature
100
1.0 k
Output
10
50 _-
+
I_K
Gnd
T_A = 25_C
∆ I_K = 1.0 mA to 100 mA
1.0
0.11.0 _k
10 k
100 k
1.0 M
10 M
f, FREQUENCY (MHz)
Figure 10. Dynamic Impedance
versus Frequency
0.320
0.300
0.280
0.260
0.240
0.220
0.200-55
V_KA = V_ref
∆ I_K = 1.0 mA to 100 mA
f ≤ 1.0 kHz
1.0Ăk
50 _+-
Output
I_K
Gnd
-25
0
25
50 75 100 125
T_A, AMBIENT TEMPERATURE (_C)
Figure 11. Dynamic Impedance
versus Ambient Temperature
60
Output
50
9.0 µF ^15Ăk
I_K
230
40
8.25Ăk
Gnd
30
20
10 ^IK ^{= 10 mA}
T_A = 25_C
0
-110.0 _k
10 k
100 k
1.0 M
10 M
f, FREQUENCY (MHz)
Figure 12. Open–Loop Voltage Gain
versus Frequency
80
60
40
V_KA = V_ref
I_K = 10 mA
T_A = 25°C
Input
Output
20
I_K
010
100
1.0 k
10 k
100 k
f, FREQUENCY (Hz)
Figure 13. Spectral Noise Density
Revision: A
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2011/01/01