JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Adjustable Reference Source
CJ431
Adjustable Accurate Reference Source
TO—92
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
1.REFERENCE
2.ANODE
3.CATHODE
1 2 3
ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies unless otherwise specified）
Parameter
SYMBOL
VALUE
UNITS
Cathode Voltage
Cathode Current Range (Continuous)
Reference lnput Current Range
Power Dissipation
Operating temperature
Storage temperature Range
V
KA
I
KA
Iref
P
D
Topr
Tstg
37
-100-+150
0.05-+10
770
0-70
-65-+150℃
V
mA
mA
mW
℃
℃
ELECTRICAL CHARACTERISTICS（Tamb=25℃
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
Reference lnput Current
Deviation Of Reference lnput Current
Over Full Temperature Range
Minimum cathode current for
regulation
Off-state cathode Current
Dynamic lmpedance
Symbol
V
ref
△V
ref
/△T
Test
unless otherwise
conditions
specified）
MIN
2.475
TYP
2.5
4.5
-1.0
-0.5
1.5
MAX
2.525
17
-2.7
-2.0
4
UNIT
V
mV
m V/V
m V/V
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
Tmin≤Ta≤Tmax
△V
KA
=10V�½�V
REF
I
KA
=10mA
△V
KA
=36V�½� 10V
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
△V
ref
/△V
KA
l
ref
μ
A
μ
A
mA
μ
A
Ω
△l
ref
/△T
I
KA
(min)
I
KA
(OFF)
Z
KA
0.4
1.2
0.45
0.05
0.15
1.0
1.0
0.5
Note:T
MIN
=0℃ ,T
MAX
=+70℃
CLASSIFICATION OF V
ref
Rank
Range
0.5%
2.487-2.512
1%
2.475-2.525
2%
2.450-2.550
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
