AHK432
Adjustable Low Voltage Shunt Regulator
Typical Characteristics
Unless otherwise noted, T
A
= 25°C, I
Z
= 10mA.
Cathode Current vs. Cathode Voltage
15
Cathode Current vs. Cathode Voltage
200
Cathode Current (µA)
-1
-0.5
0
0.5
1
1.5
Cathode Current (mA)
10
5
0
-5
-10
-15
150
100
50
0
-50
-100
-150
-200
-1
-0.5
0
0.5
1
1.5
Cathode Voltage ( V)
Cathode Voltage (V)
Reference Voltage vs. Temperature
1.252
180
Reference Current vs. Temperature
Reference Voltage (V )
1.248
1.244
1.24
1.236
1.232
-50
-25
0
25
50
75
100
125
Reference Curre nt (nA)
I
Z
= 10mA
160
140
120
100
80
60
40
20
0
-50
-25
0
25
50
75
I
Z
= 10mA
R
1
= 10kΩ
R
2
= Open
100
125
Junction Temperature (°C)
Junction Temperatur e (°C)
Cathode Current vs. Temperature
80
Ratio of
∆V
REF
/
∆V
Z
vs. Temperature
0
Cathode Current (nA)
70
60
50
40
30
20
10
0
-50
Ratio (µV/V)
V
Z
= 5V
V
REF
= 0V
(Off-state)
-100
-200
-300
-400
-500
-600
I
Z
= 10mA
dV
Z
= V
REF
to 16V
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
Junction Temperature (°C)
Junction Temperature (°C)
432.2005.11.1.3
5
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
