TL431B Datasheet, PDF (20/40 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS

TL431, TL431A, TL431B, TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
TYPICAL CHARACTERISTICS
SMALL-SIGNAL VOLTAGE AMPLIFICATION
vs
FREQUENCY
60
IKA = 10 mA
TA = 25°C
50
15 kΩ
40
9 µF
30
8.25 kΩ
20
IKA = 10 mA
TA = 25°C
Output
IKA
232 Ω
+
−
GND
10
TEST CIRCUIT FOR VOLTAGE AMPLIFICATION
0
1k
10 k
100 k
1M
10 M
f − Frequency − Hz
Figure 13
REFERENCE IMPEDANCE
vs
FREQUENCY
100
IKA = 10 mA
TA = 25°C
10
1
1 kΩ
50 Ω
−
+
Output
IKA
GND
TEST CIRCUIT FOR REFERENCE IMPEDANCE
0.1
1k
10 k
100 k
1M
f − Frequency − Hz
10 M
Figure 14
20
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