@vic
Adjustable Reference Source
FEATURES
The output voltage can be adjusted to 36V
Low dynamic output impedance ,its typical value is 0.2Ω
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
0.5% and 1% precision
AV431
LT1
ABSOLUTE MAXIMUM RATINGS
（
Operating
temperature range applies unless otherwise specified）
Parameter
Cathode Voltage
Cathode Current Range (Continuous)
Reference lnput Current Range
Power Dissipation
Operating temperature
Storage temperature Range
SYMBOL
V
KA
I
KA
Iref
P
D
Topr
Tstg
VALUE
37
-100-+150
0.05-+10
770
0-70
-65-+150℃
UNITS
V
mA
mA
mW
℃
℃
ELECTRICAL CHARACTERISTICS（Tamb=25℃ unless otherwise specified）
Parameter
Reference lnput Voltage
Deviation of reference input Voltage
Over temperature (note)
Ratio Of Change in Reference lnput
Voltage to the change in Cathode
Voltage
Symbol
V
ref
△V
ref
/△T
Test conditions
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
Tmin Ta Tmax
△V
KA
=10V〜
V
REF
△V
KA
=36V〜
10V
MIN
2.440
TYP
2.495
4.5
-1.0
MAX
2.550
17
-2.7
UNIT
V
mV
m V/V
△V
ref
/△V
KA
I
KA
=10m
A
-0.5
1.5
-2.0
4
Reference lnput Current
Deviation Of Reference lnput Current
Over Full Temperature Range
Minimum cathode current for
Regulation
Off-state cathode Current
Dynamic impedance
l
ref
I
KA
= 10mA,R
1
=10K
Ω
R
2
=∞
l
KA
=10mA, R
1
=10K
Ω
R
2
=∞
T
A
=full Temperature
V
KA
=V
REF
V
KA
=36V ,V
REF
=0
V
KA
=V
REF
,l
KA
=1 to 100mA
f 1.0KHz
μ
A
△l
ref
/△T
0.4
1.2
μ
A
mA
μ
A
Ω
I
KA
(min)
I
KA
(OFF)
Z
KA
0.45
0.05
0.15
1.0
1.0
0.5
Note:T
MIN
=0℃ ,T
MAX
=+70℃
Copyright © Avic Electronics Corp.
1
Website:
http://www.avictek.com
AVICTEK [ Avic Technology ]
