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