AHK432
Adjustable Low Voltage Shunt Regulator
Typical Characteristics
Unless otherwise noted, TA = 25°C, IZ = 10mA.
Cathode Impedance vs.Temperature
Impedance vs. Frequency
16
12
8
10
1
0.1
4
0
0.01
-4
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
-50
-25
0
25
50
75
100
125
Frequency (Hz)
Junction Temperature (°C)
VOUT
Gain and Phase vs. Frequency
VIN
120
100
80
180
13.7k
169 Ω
150
120
90
AHK432
60
40
60
5V
8.25k
20
30
0
0
-20
-30
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
Test Circuit for Voltage
Gain and Phase
Frequency (Hz)
Stability Boundary
1k
100
IZ
80
60
40
20
0
R1=10k
R2
Stable
Stable
CL
AHK432
Unstable
VREF=VZ
10.E+0
100.E+0
1.E+3
10.E+3
100.E+3
1.E+6
10.E+6
Load Capacitance (pF)
Test Circuit for Stability
6
432.2005.11.1.3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
