@vic
Adjustable Reference Source
FEATURES
The output voltage can be adjusted to 36V
Low dynamic output impedance ,its typical value is 0.2惟
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/鈩?/div>
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
錛?/div>
Operating
temperature range applies unless otherwise specified錛?/div>
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鈩?/div>
UNITS
V
mA
mA
mW
鈩?/div>
鈩?/div>
ELECTRICAL CHARACTERISTICS錛圱amb=25鈩?unless otherwise specified錛?/div>
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
鈻砎
ref
/鈻砊
Test conditions
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
Tmin Ta Tmax
鈻砎
KA
=10V銆?/div>
V
REF
鈻砎
KA
=36V銆?/div>
10V
MIN
2.440
TYP
2.495
4.5
-1.0
MAX
2.550
17
-2.7
UNIT
V
mV
m V/V
鈻砎
ref
/鈻砎
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
惟
R
2
=鈭?/div>
l
KA
=10mA, R
1
=10K
惟
R
2
=鈭?/div>
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
渭
A
鈻砽
ref
/鈻砊
0.4
1.2
渭
A
mA
渭
A
惟
I
KA
(min)
I
KA
(OFF)
Z
KA
0.45
0.05
0.15
1.0
1.0
0.5
Note:T
MIN
=0鈩?,T
MAX
=+70鈩?/div>
Copyright 漏 Avic Electronics Corp.
1
Website:
http://www.avictek.com
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