Data Sheet
LOW VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR
AZ432
Electrical Characteristics
o
(Typical and limits apply for T =25 C, unless otherwise noted.)
A
Test
Circuit
Parameter
Symbol
VREF VKA=VREF, IKA=10mA
0 to 70oC
Conditions
Min
Typ
Max
Unit
0.5%
1.0%
1.244 1.250 1.256
1.238 1.250 1.262
Reference Voltage
4
V
2
3
4
10
10
15
VKA=VREF
Deviation of Reference Voltage
Over Full Temperature Range
-40 to 85oC
∆VREF
4
mV
IKA=10mA
-40 to 125oC
∆VREF IKA=10mA,
∆VKA ∆VKA: VREF to 16V
Ratio of Change in VREF to the
Change in Cathode Voltage
5
5
5
-0.5
0.15
0.1
-1.5
0.4
0.4
mV/V
µA
IREF
IKA=10mA, R1=10KΩ, R2=∞
Reference Input Current
IKA=10mA, R1=10KΩ, R2=∞
TA=-40 to 125oC
Deviation of Reference Current
Over Full Temperature Range
∆IREF
µA
IKA
Minimum Cathode Current for
Regulation
VKA=VREF
4
6
4
55
80
µA
µA
Ω
(MIN)
VREF=0, VKA=18V
0.04
0.01
0.10
0.05
IKA
Off-state Cathode
Current
(OFF)
VKA=6V, VREF=0
VKA=VREF, IKA=1 to 100mA
ZKA
Dynamic Impedance
0.05
0.15
f≤1.0kHz
Mar. 2007 Rev. 1. 6
BCD Semiconductor Manufacturing Limited
5
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
