JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Adjustable Reference Source
CJ431
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 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
2.475
2.5
2.525
V
Deviation of reference input Voltage
Over temperature (note)
V
ref
/
T
V
KA
=V
REF
, I
KA
=10mA
Tmin
Ta
Tmax
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
=10mA
V
KA
=36V
10V
-0.5
-2.0
m
V/V
Reference lnput Current
l
ref
I
KA
= 10mA,R
1
=10K
R
2
=
1.5 4
A
Deviation Of Reference lnput 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 lmpedance
Z
KA
V
KA
=V
REF
,l
KA
=1 to 100mA
f
1.0KHz
0.15 0.5
Note:T
MIN
=0
,T
MAX
=+70
CLASSIFICATION OF V
ref
Rank 0.5% 1%
2%
Range 2.487-2.512
2.475-2.525
2.450-2.550
1
2
3
TO--92
1.REFERENCE
2.ANODE
3.CATHODE
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