TL430 Datasheet, PDF (4/6 Pages) Texas Instruments – ADJUSTABLE SHUNT REGULATORS

TL430
ADJUSTABLE SHUNT REGULATORS
SLVS050B – JUNE 1976 – REVISED JULY 1999
TYPICAL CHARACTERISTICS
SMALL-SIGNAL REGULATOR IMPEDANCE
vs
FREQUENCY
3
VZ = VI(ref)
2.8 TA = 25°C
2.6
CATHODE CURRENT
vs
CATHODE VOLTAGE
160
VZ = VI(ref)
140 TA = 25°C
120
IZM
2.4
100
2.2
80
IZ
2
60
1.8
1.6
1.4
10
102
103
104
105
106
f – Frequency – Hz
Figure 3
40
20
0
0
IZK
1
2
3
4
V – Cathode Voltage – V
Figure 4
R
V+
R1
APPLICATION INFORMATION
V+
VO
30 Ω
VI(ref)
R2
ǒ Ǔ _{[ ) VO}
1
R1
R2
VI(ref)
Figure 5. Shunt Regulator
4.7 kΩ
VO
R1
R2
ǒ Ǔ _{[ ) VO}
1
R1
R2
VI(ref)
Figure 6. Series Regulator
4
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