AZ431-A
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Symbol
VREF
VREF
VREF
VKA
IREF
IREF
IKA
(Min)
IKA
(Off)
ZKA
θJC
Test
Circuit
4
Parameter
Reference Voltage
0.4%
0.8%
Deviation of Reference Voltage
4
Over Full Temperature Range
Ratio of Change in Reference
5
Voltage to the Change in
Cathode Voltage
5
Reference Current
5
Deviation of Reference Current
Over Full Temperature Range
4
Minimum Cathode Current for
Regulation
6
Off-state Cathode Current
4
Dynamic Impedance
—
—
Thermal Resistance
—
Conditions
VKA = VREF, IKA = 10mA
VKA = VREF
IKA = 10mA
0 to +70°C
-40 to +85°C
-40 to +125°C
IKA = 10mA
VKA =
10V to VREF
VKA =
36V to 10V
IKA = 10mA, R1 = 10kΩ, R2 =
∞
IKA = 10mA, R1 = 10kΩ
R2 = ∞, TA = -40 to +125°C
VKA = VREF
VKA = 36V, VREF = 0
VKA = VREF, IKA = 1 to 100mA,
f ≤ 1.0kHz
SOT23
TO92
SOT89
Min
2.490
2.480
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
2.500
2.500
4.5
4.5
4.5
-1.0
-0.5
0.7
0.4
0.4
0.05
0.15
135.48
81.63
29.80
Max
2.510
2.520
8
10
16
-2.7
-2.0
4
1.2
1.0
1.0
0.5
—
—
—
Unit
V
mV
mV/V
µA
µA
mA
µA
Ω
°C/W
AZ431-A
Document number: DS36721 Rev. 6 - 2
5 of 19
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March 2018
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