ST432
Adjustable Precision Shunt Regulator
ELECTRICAL CHARACTERISTICS (TA=25℃, unless otherwise specified)
SP432AS23RG & SP432AS25RG & SP432AS35RG
Parameter
Symbol
Conditions
Min.
Typ. Max. Unit
TA=25℃
TA=-40℃~+80℃ 1.222
TA=25℃
TA=-40℃~+80℃ 1.215
1.234 1.24 1.246
1.258
1.228 1.24 1.252
VZ = VREF
IZ = 10mA
VZ = VREF
IZ = 10mA
Reference Voltage for 432A
VREF
V
V
Reference Voltage for 432B
VREF Temp Deviation
VREF
VDEV
1.265
TA=-40℃~+80℃
VZ = VREF , IZ = 10mA
10
25
mV
Ratio of change in VREF to ∆VREF / IZ = 10mA
mV/
V
-1.0
-2.7
0.5
0.4
1.0
change in Cathode voltage
∆VZ
∆VZ = 16V ~ VREF
Reference Input Current
IREF
R1=10KΩ, R2= ∞,IZ= 10mA
0.15
0.1
uA
uA
uA
TA=-40℃~+80℃
R1=10KΩ,R2=∞, IZ = 10mA
VZ = 6V
VZ = 12V
f < 1KHZ , VZ = VREF
IZ = 1mA ~ 100mA
IREF Temp Deviation
IREF(DEV)
Off state Cathode Current
Dynamic output impedance
IZ(OFF) VREF = 0V
0.5
RZ
0.25
30
0.4
80
Ω
Minimum Operation Current IZ(MIN) VZ = VREF
uA
APPLICATION CIRCUIT
STANSON TECHNOLOGY
120 Bentley Square, Mountain View, Ca 94040 USA
http://www.stansontech.com
ST432 2007. V1
STANSON [ STANSON TECHNOLOGY ]
