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AME431B-1.24V Datasheet, PDF (10/22 Pages) Analog Microelectronics – Adjustable Precision Shunt Regulator
AME
AME431B-1.24V
Adjustable Precision
Shunt Regulator
n Electrical Specifications
TA = 250C, IREF=10mA unless otherwise specified
Parameter
Test
Circuit Symbol
Test Condition
Min Typ Max Units
Reference Voltage
0.5%
1
1.0%
VREF
VKA - VREF, IKA=10mA
1.234 1.240 1.246
V
1.228 1.240 1.252
Deviation of Reference Voltge Over
Temperature
1
∆ VREF
VKA = VREF
IKA=10mA
0oC ~ +70oC
-40oC ~ +85oC
-
-
2
3
10
mV
10
Ratio of Change in Reference
Voltage to the Change in Cathode
Voltage
2
∆ VREF
∆ VKA
IKA=10mA
∆ VKA
5V to VREF
∆ VKA
- -0.5 -1.5
mV/V
- -0.5 -1.5
16V to 5V
Reference Input Current
2
IREF
IKA=10mA
R1=10KΩ, R2=∞
- 0.15 0.4 µA
Deviation of Reference Current
Over Full Temperature Range
2
∆ IREF
R1=10KΩ, R2=∞
IKA=10mA
TA= -40oC ~ +85oC
- 0.1 0.4 µA
Minimum Cathode Current for
Regulation
1
IKA
(MIN)
VKA=VREF
-
55 80 µA
Off-State Cathode Current
3
IKA
(OFF)
VKA=18V, VREF=0V
- 0.04 0.1 µA
Dynamic Impendance
1
ZKA
VKA = VREF, IKA=1 to 100mA
F<1KHz
-
0.05 0.15 Ω
10
Rev.E.04