AP431/AP431A
Adjustable Precision Shunt Regulator
Typical Performance Characteristics
Cathode current Vs Cathode Voltage
100
V
KA
=Vref
Ta=25
o
C
Cathode current(uA)
600
V
KA
=Vref
Ta=25
o
C
Cathode current (uA) Vs Cathode Voltage
Cathode current(mA)
400
0
200
0
-100
-1.5
0.5
-0.5
Cathode Voltage(v)
1.5
2.5
-200
-1
-0.5
0
0.5
1.5
1
Cathode Voltage(v)
2
2.5
Reference Voltage Vs Free-Air Temperature
2500
Reference Voltage(mV)
2495
2490
2485
2480
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Free-Air Tempeture (
o
C)
Reference input current Vs free Temperature
Reference input current (uA)
2
1.8
1.6
1.4
1.2
1
-50
R1=10K
I
KA
=10mA
-25
0
25
50
75
o
Free-Air Temperature( C)
100
125
Change in Reference Voltage vs Cathode Voltage
Change in Reference Voltage (mv)
0
-2
-4
-6
-8
-10
-12
0
5
10
15
20
Cathode Voltage (V)
25
30
I
KA
=10mA
Ta=25
o
C
Anachip Corp.
www.anachip.com.tw
6/17
Rev.1.0 May.7, 2004
ANACHIP [ ANACHIP CORP ]
