 English |
|
|
|
|
|
|
|
| AME431B Datasheet, PDF (10/19 Pages) Analog Microelectronics – Adjustable Precision Shunt Regulator | |||
| |||
| ◁ |
AME, Inc.
AME431B
Adjustable Precision Shunt Regulator
n Electrical Specifications (AME431Bxxxxx25)
TA = 250C, IREF=10mA unless otherwise specified
Parameter
Test
Circuit Symbol
Test Condition
Min
Reference Voltage
0.5%
1
1.0%
VREF
VKA = VREF, IKA=10mA
2.4875
2.475
Deviation of Reference Voltge
Over Temperature
Ratio of Change in Reference
Voltage to the Change in
Cathode Voltage
1
â VREF
VKA = VREF
IKA=10mA
0oC ~ +70oC
-40oC ~ +125oC
-
-
â VKA=
-
2
â VREF
â VKA
IKA=10mA
10V to VREF
â VKA=
-
36V to 10V
Reference Current
2
IREF
IKA=10mA
R1=10Kâ¦, R2=â
-
R1=10Kâ¦, R2=â
Deviation of Reference Current
Over Full Temperature Range
2
â IREF
IKA=10mA
-
TA= -40oC ~ +125oC
Minimum Cathode Current for
Regulation
1
IKA
(MIN)
VKA=VREF
-
Typ Max
2.500 2.5125
2.500 2.525
4.5
8
4.5
10
-1.0 -2.7
-0.5 -2.0
0.7 4.0
0.4 1.2
0.4 1.0
Units
V
mV
mV/V
µA
µA
mA
Off-State Cathode Current
Dynamic Impendance
3
IKA
VKA=36V,VREF =0V
-
(OFF)
1
ZKA
VKA = VREF, IKA=1 to 100mA
F<1KHz
-
0.05 1.0
µA
0.15 0.5
â¦
R1
VIN
R3
VKA
VIN
V KA
VIN
IKA
IKA
R1
VREF
IREF
R2
VREF
VKA=VREF (1+R1/R2)+IREFR1
IOFF
VKA
Figure1.
Test Circuit4 for VKA=VREF
10
Figure2.
Test Circuit for VKA>VREF
Figure3.
Test Circuit for IOFF
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese