@vic AV431LT1

Copyright © Avic Electronics Corp. 1 Website: http://www.avictek.com

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




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 lnput Current Range Iref 0.05-+10 mA
Power Dissipation
P
D
770 mW
Operating temperature Topr 0-70 ℃
Storage temperature Range Tstg -65-+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
TminnullTanullTmax
4.5 17 mV
△V
KA

=10V〜
V
REF

-1.0 -2.7 m V/V
Ratio Of Change in Reference lnput
Voltage to the change in Cathode
Voltage
△V
ref
/△V
KA

I
KA
=10m
A
△V
KA

=36V〜
10V
-0.5 -2.0
Reference lnput Current l
ref

I
KA
= 10mA,R
1
=10KΩ
R
2
=∞
1.5 4 μA
Deviation Of Reference lnput Current
Over Full Temperature Range
△l
ref
/△T
l
KA
=10mA, R
1
=10KΩ
R
2
=∞
T
A
=full Temperature
0.4 1.2 μA
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 μA
Dynamic impedance Z
KA

V
KA
=V
REF
,l
KA
=1 to 100mA
fnull1.0KHz
0.15 0.5 Ω
Note:T
MIN
=0℃ ,T
MAX
=+70℃