AZ431L Datasheet, PDF (5/16 Pages) BCD Semiconductor Manufacturing Limited – LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR

Data Sheet
LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR
AZ431L
Electrical Characteristics
(Typical and limits apply for T_J=25^oC unless otherwise noted.)
Parameter
Test
Circuit
Symbol
Conditions
Reference Voltage
0.5%
4
V_REF V_KA=V_REF, I_KA=10mA
1%
Deviation of Reference Voltage
Over-Temperature
4
∆V_REF
V_KA=V_REF
I_KA=10mA
0^oC to 70^oC
-40^oC to 85^oC
Ratio of Change in V_REF to the
Change in Cathode Voltage
5
∆V_REF I_KA=10mA,
∆V_KA ∆V_KA:V_REF to 16V
Min
1.234
1.228
Typ
1.240
1.240
2
3
-0.5
Max Unit
1.246
1.252
10
10
-1.5
V
mV
mV/V
Reference Input Current
5
I_REF I_KA=10mA, R1=10KΩ, R2=∞
0.15 0.4 µ A
Deviation of Reference Current
Over Full Temperature Range
5
Minimum Cathode Current for
Regulation
4
Off-State Cathode Current
6
Dynamic Impedance
4
∆I_REF
I_KA=10mA, R1=10KΩ, R2=∞
T_A=-40 to 85^oC
I_KA
(MIN)
V_KA=V_REF
I_KA ^VREF^{=0, V}KA^=18V
(OFF) _{VKA=6, VREF=0}
Z_KA
V_KA=V_REF, I_KA=1 to 100mA
f ≤ 1.0kHz
0.1
0.4
µA
55
80
µA
0.04 0.10 _{µ A}
0.01 0.05
0.05 0.15
Ω
Apr. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5