AME, Inc.
AME431B
Adjustable Precision Shunt Regulator
n
Electrical Specifications (AME431Bxxxxx25)
TA = 25
0
C, I
REF
=10mA unless otherwise specified
Parameter
Reference Voltage
0.5%
1.0%
Test
Symbol
Circuit
1
V
REF
∆V
REF
Test Condition
V
KA
= V
REF,
I
KA
=10mA
V
KA
= V
REF
I
KA
=10mA
∆V
REF
∆V
KA
0
o
C ~ +70
o
C
-40
o
C ~ +125
o
C
∆V
KA
=
2
I
KA
=10mA
10V to V
REF
∆V
KA
=
36V to 10V
Min
2.4875
2.475
-
-
-
-
-
Typ
Max
Units
V
2.500 2.5125
2.500
4.5
4.5
-1.0
-0.5
0.7
2.525
8
10
-2.7
Deviation of Reference Voltge
Over Temperature
Ratio of Change in Reference
Voltage to the Change in
Cathode Voltage
1
mV
mV/V
-2.0
4.0
µA
Reference Current
Deviation of Reference Current
Over Full Temperature Range
Minimum Cathode Current for
Regulation
Off-State Cathode Current
2
I
REF
I
KA
=10mA
R1=10KΩ, R2=
∞
R1=10KΩ, R2=
∞
I
KA
=10mA
T
A
= -40
o
C ~ +125
o
C
2
∆I
REF
I
KA
(MIN)
I
KA
(OFF)
Z
KA
-
0.4
1.2
µA
1
V
KA
=V
REF
-
0.4
1.0
mA
µA
3
V
KA
=36V,V
REF
=0V
V
KA
= V
REF
, I
KA
=1 to 100mA
F<1KHz
-
0.05
1.0
Dynamic Impendance
1
-
0.15
0.5
Ω
V
IN
R1
V
KA
V
IN
R3
V
KA
I
KA
R1
I
REF
V
KA
=V
REF
(1+R1/R2)+I
REF
R1
V
IN
I
OFF
V
KA
I
KA
R2
V
REF
V
REF
Figure1.
Test Circuit4 for V
KA
=V
REF
10
Figure2.
Test Circuit for V
KA
>V
REF
Figure3.
Test Circuit for I
OFF
AME [ ANALOG MICROELECTRONICS ]
