AME
AME431B-2.5V
n
Electrical Specifications (AME431Bxxxxx25)
T
A
= 25
0
C, I
REF
= 10mA unless otherwise specified
Parameter
0.5%
Reference Voltage
1.0%
1
V
REF
∆V
REF
V
KA
= V
REF,
I
KA
= 10mA
V
KA
= V
REF
I
KA
= 10mA
∆V
REF
∆V
KA
0
o
C to 70
o
C
-40
o
C to +125
o
C
∆V
KA
=
2
I
KA
= 10mA
10V to V
REF
∆V
KA
=
36V to 10V
Test
Symbol
Circuit
Test Condition
Min
2.4875
2.4750
-
-
-
-
-
Typ
2.50
2.50
4.5
4.5
-1.0
-0.5
0.7
Max
2.5125
2.5250
8
18
-2.7
mV/V
-2.0
4.0
µA
mV
V
Units
Adjustable Precision
Shunt Regulator
Deviation of Reference Voltage
Over Temperature
Ratio of Change in Reference
Voltage to the Change in
Cathode Voltage
1
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 =
∞
-
o
2
∆I
REF
I
KA
(MIN)
I
KA
(OFF)
Z
KA
I
KA
= 10mA
T
A
= -40 C to +125 C
o
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 Circuit for V
KA
=V
REF
Rev.B.04
Figure2.
Test Circuit for V
KA
>V
REF
Figure3.
Test Circuit for I
OFF
9
AME [ ANALOG MICROELECTRONICS ]
