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
ABSOLUTE MAXIMUM RATINGS
Operating temperature
range applies unless otherwise specified
Parameter
SYMBOL
VALUE
UNITS
Cathode Voltage
V
KA
37
V
Cathode Current Range(Continuous)
I
KA
-100~+150
mA
Reference Input Current Range
Iref
0.05~+10
mA
Power Dissipation
P
D
350
mW
Operating temperature
Topr
0~70
Storage temperature Range
Tstg
-55~+150
ELECTRICAL CHARACTERISTICS
Tamb=25
unless otherwise specified
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
Reference lnput Voltage
V
ref
V
KA
=V
REF
, I
KA
=10mA
2.440
2.495
2.550
V
Deviation of reference input Voltage
Over temperature (note )
V
ref
/T
V
KA
=V
REF
, I
KA
=10mA
TminTaTmax
4.5
17
mV
V
KA
=10V
V
REF
-1.0
-2.7
m V/V
Ratio Of Change in Reference Input
Voltage to the change in Cathode
Voltage
V
ref
/V
KA
I
KA
=10m
A
V
KA
=36V
10V
-0.5
-2.0
Reference Input Current
l
ref
I
KA
= 10mA,R
1
=10K
R
2
=
1.5
0.5
A
Deviation Of Reference Input Current
Over Full Temperature Range
l
ref
/T
l
KA
=10mA, R
1
=10K
R
2
=
T
A
=full Temperature
0.4
1.2
A
Minimum cathode current for
Regulation
I
KA
(min)
V
KA
=V
REF
0.45
1.0
mA
Off-state cathode Current
I
KA
(OFF)
V
KA
=36V ,V
REF
=0
0.05
1.0
A
Dynamic Impedance
Z
KA
V
KA
=V
REF
,l
KA
=1 to 100mA
f1.0KHz
0.15
0.5
NoteT
MIN
=0 ,T
MAX
=+70
@vic
AV431
Copyright @vic Electronics Corp. 1 Website http://www.avictek.com
SOT-23-3L PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
Min
1.050
0.000
1.050
0.300
0.100
2.820
1.500
2.650
1.800
0.300
0
Max
1.250
0.100
1.150
0.400
0.200
3.020
1.700
2.950
2.000
0.600
8
Min
0.041
0.000
0.041
0.012
0.004
0.111
0.059
0.104
0.071
0.012
0
Max
0.049
0.004
0.045
0.016
0.008
0.119
0.067
0.116
0.079
0.024
8
Dimensions In Millimeters
Dimensions In Inches
0.037TPY
0.028REF
0.950TPY
0.700REF
D
E
1
A
1
A
2
A
E
L
1
L
b
e1
C
0.2
e
@vic
AV431
Copyright @vic Electronics Corp. 2 Website http://www.avictek.com
PDF 
ZIP