5 / 11 page
AMC DOC. #: AMC431_C
AMC431
November
2002
PRECISION ADJUSTABLE SHUNT
VOLTAGE REGULATORS
Copyright
2002, ADD Microtech Corp.
5
www.addmtek.com
CHARACTERIZATION CURVES
150
800
125
100
600
75
50
400
25
0
200
-25
-50
0
-75
-100
-200
2600
5
2580
2560
4
2540
2520
3
2500
2480
2
2460
2440
1
2420
2400
0
TA – Free-Air Temperature -
°°°°C
TA – Free-Air Temperature -
°°°°C
R1 = 10 k
Ω
Ω
Ω
Ω
R2 =
∞
∞
∞
∞
IKA = 10mA
-75
-50
-25
0
25
50
75
100
125
-75
-50
-25
0
25
50
75
100
125
REFERENCE INPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
REFERENCE INPUT CURRENT
vs
FREE-AIR TEMPERATURE
CATHODE CURRENT
vs
CATHODE VOLTAGE
CATHODE CURRENT
vs
CATHODE VOLTAGE
-1
0
1
2
3
VKA = VREF
TA = 25
°°°°C
-2
-1
0
1
2
3
VKA = VREF
TA = 25
°°°°C
VKA – Cathode Voltage (V)
VKA – Cathode Voltage (V)
Imin
IKA = 100mA
IKA = 10mA
VKA = VREF