AV431 Datasheet, PDF (1/2 Pages) Avic Technology – Adjustable Accurate Reference Source

@vic
AV431 Adjustable Accurate Reference Source
FEATURES
The output voltage can be adjusted to 36V
Low dynamic output impedance ,its typical value is 0.2
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/
The effective temperature compensation in the working
range of full temperature
Low output noise voltage
Fast on -state response
AV431
ABSOLUTE MAXIMUM RATINGS Operating temperature
range applies unless otherwise specified
Parameter
SYMBOL
VALUE
Cathode Voltage
V_KA
Cathode Current Range(Continuous)
I_KA
Reference Input Current Range
Iref
37
-100~+150
0.05~+10
Power Dissipation
Operating temperature
Storage temperature Range
ELECTRICAL CHARACTERISTICS
P_D
Topr
Tstg
Tamb=25
unless
350
0~70
-55~+150
otherwise
specified
Parameter
Symbol
Test conditions
MIN TYP
Reference lnput Voltage
Deviation of reference input Voltage
Over temperature (note )
V_ref
V_ref/ T
V_KA=V_REF, I_KA=10mA
V_KA =V_REF, I_KA =10mA
Tmin Ta Tmax
2.440
2.495
4.5
V_KA
Ratio Of Change in Reference Input
=10V
-1.0
Voltage to the change in Cathode
Voltage
V_ref/ V_KA
I_KA=10m
A
V_REF
V_KA
=36V
-0.5
10V
Reference Input Current
I_KA= 10mA,R₁=10K
l_ref
R₂=
1.5
Deviation Of Reference Input Current
l_KA=10mA, R₁=10K
Over Full Temperature Range
l_ref/ T
R₂=
0.4
T_A=full Temperature
Minimum cathode current for
Regulation
I_KA(min)
V_KA=V_REF
0.45
Off-state cathode Current
I_KA(OFF)
V_KA=36V ,V_REF=0
0.05
Dynamic Impedance
Z_KA
V_KA=V_REF,l_KA=1 to 100mA
f 1.0KHz
0.15
Note T_MIN=0 ,T_MAX=+70
UNITS
V
mA
mA
mW
MAX UNIT
2.550
V
17
mV
-2.7 m V/V
-2.0
0.5
A
1.2
A
1.0 mA
1.0
A
0.5
Copyright @vic Electronics Corp.
1
Website http://www.avictek.com