AHK432
Adjustable Low Voltage Shunt Regulator
Electrical Characteristics
TA = 25°C, unless otherwise noted.
AHK432 0.5%
AHK432 1.0%
AHK432 2.0%
Symbol Description Conditions
Min Typ Max Min Typ Max Min Typ Max Units
VZ = VREF
TA = 25°C 1.234 1.240 1.246 1.228 1.240 1.252 1.215 1.240 1.265
Reference
Voltage
IZ = 10mA
(test circuit 1) TA = -40 1.222
to +105°C
VREF
V
1.258 1.215
25
1.265 1.200
25
1.280
25
TA = -40°C to +105°C,
VZ = VREF, IZ = 10mA
(test circuit 1)
10
10
10
mV
VDEV
VREF Temp
Deviation
∆VREF
/
Ratio of Change IZ = 10mA,
-1.0 -2.7
-1.0 -2.7
-1.0 -2.7 mV/V
∆VZ
in VREF to
Change in
∆VZ = 16V to VREF
(test circuit 2)
Cathode Voltage
Reference
Input Current IZ = 10mA (test circuit 2)
IREF
R1 = 10kΩ, R2 = ∞,
0.15 0.5
0.15 0.5
0.15 0.5
0.1 0.4
µA
µA
IREF(DEV)
IREF Temp
Deviation
TA = -40°C to +105°C
R1 = 10kΩ, R2 = ∞,
IZ = 10mA (test circuit 2)
0.1
0.4
0.1
0.4
IZ(OFF)
RZ
Off State
VREF = 0V
VZ = 6V
0.04 0.1
0.04 0.5
0.05 0.2
0.04 0.1
0.04 0.5
0.05 0.2
0.04 0.1
0.04 0.5
0.05 0.2
µA
Cathode Current (test circuit 3) VZ = 16V
Dynamic
Output
Impedance
Minimum
Operating
Current
f <1kHz, VZ = VREF
IZ = 100µA to 100mA
(test circuit 1)
,
Ω
IZ(MIN)
VZ = VREF (test circuit 1)
60
80
60
80
60
80
µA
4
432.2005.11.1.3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
