TL430_15 Datasheet, PDF (4/9 Pages) Texas Instruments – ADJUSTABLE SHUNT REGULATORS

TL430
ADJUSTABLE SHUNT REGULATORS
SLVS050D − JUNE 1976 − REVISED JANUARY 2005
TYPICAL CHARACTERISTICS
SMALL-SIGNAL REGULATOR IMPEDANCE
vs
FREQUENCY
3
VZ = VI(ref)
2.8 TA = 25°C
CATHODE CURRENT
vs
CATHODE VOLTAGE
160
VZ = VI(ref)
140 TA = 25°C
2.6
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
4.7 kΩ
VO
R1
R2
ǒ Ǔ _{VO [}
1
)
R1
R2
VI(ref)
Figure 5. Shunt Regulator
ǒ Ǔ _{VO [}
1
)
R1
R2
VI(ref)
Figure 6. Series Regulator
4
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