Datasheet


  
SLVS050D − JUNE 1976 − REVISED JANUARY 2005
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
2.2
1.8
1.6
1.4
− Small-Signal Regulator Impedance −
2.6
2.8
f − Frequency − Hz
SMALL-SIGNAL REGULATOR IMPEDANCE
vs
FREQUENCY
3
2.4
2
80
40
20
0
01 2
I − Cathode Current − mA
120
140
V − Cathode Voltage − V
160
34
100
60
CATHODE CURRENT
vs
CATHODE VOLTAGE
10 10
2
10
3
10
5
10
4
10
6
Ωz
z
V
Z
= V
I(ref)
T
A
= 25°C
V
Z
= V
I(ref)
T
A
= 25°C
I
ZM
I
Z
I
ZK
Figure 3 Figure 4
APPLICATION INFORMATION
R1
R2
R
V
I(ref)
V
O
V+
V
O
[
ǒ
1 )
R1
R2
Ǔ
V
I(ref)
V
O
V
+
R1
R2
30 Ω
V
O
[
ǒ
1 )
R1
R2
Ǔ
V
I(ref)
4.7 kΩ
Figure 5. Shunt Regulator Figure 6. Series Regulator