AZ431L Datasheet, PDF (5/18 Pages) BCD Semiconductor Manufacturing Limited – LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR

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Electrical Characteristics (Operating Conditions: TA = +25 ºC, unless otherwise noted.)
AZ431L
Symbol
Parameter
VREF
Reference Voltage
0.5%
1.0%
∆VREF
Deviation of Reference Voltage
Over Full Temperature Range
∆VREF
∆VKA
IREF
∆IREF
IKA
(Min)
IKA
(Off)
Ratio of Change in VREF to the
Change in Cathode Voltage
Reference Input Current
Deviation of Reference Current
Over Full Temperature Range
Minimum Cathode Current for
Regulation
Off-state Cathode Current
ZKA
Dynamic Impedance
θJC
Thermal Resistance
Test
Circuit
Conditions
4
VKA = VREF, IKA = 10mA
0 to +70°C
4
VKA = VREF,
-40 to +85°C
IKA = 10mA
-40 to +125°C
5
IKA = 10mA,
∆VKA: VREF to 16V
5
IKA = 10mA, R1 = 10KΩ, R2 = ∞
5
IKA = 10mA, R1 = 10KΩ, R2 = ∞,
TA = -40 to +125°C
4
VKA = VREF
VREF= 0, VKA = 18V
6
VKA = 6, VREF = 0
4
VKA = VREF, IKA = 1 to 100mA,
f ≤ 1.0KHz
SOT-23
SOT-23-5
–
TO-92
SOT-89
Min
Typ
Max
Unit
1.234 1.240 1.246
V
1.228 1.240 1.252
–
2
10
–
3
10
mV
–
4
15
–
-0.5
-1.5 mV/V
–
0.15
0.4
µA
–
0.1
0.4
µA
–
55
80
µA
–
0.04
0.10
µA
–
0.01
0.05
–
0.05
0.15
Ω
–
84.84
–
–
84.84
–
–
140.80
–
–
29.80
–
°C/W
AZ431L
Document number: DS36801 Rev. 3 - 2
5 of 18
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January 2014
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