JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23-3L Encapsulate Adjustable Reference Source
CJ431
Adjustable Accurate Reference Source
ＳＯＴ－２３－３Ｌ
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．
ＣＡＴＨＯＤＥ
３．ＡＮＯＤＥ
１．０２
０．９５±０．０２５
２．８０±０．０５
１．６０±０．０５
ABSOLUTE MAXIMUM RATINGS（Operating temperature
range applies unless otherwise specified）
Parameter
SYMBOL
Cathode Voltage
Cathode Current Range(Continuous)
Reference Input Current Range
Power Dissipation
Operating temperature
Storage temperature Range
Parameter
Reference lnput Voltage
Deviation of reference input Voltage
Over temperature (note )
V
KA
I
KA
Iref
P
D
Topr
Tstg
VALUE
37
-100~+150
0.05~+10
350
0~70
-55~+150℃
UNITS
V
mA
mA
mW
℃
℃
ELECTRICAL CHARACTERISTICS（Tamb=25℃
Symbol
V
ref
△V
ref
/△T
unless
Test
otherwise
specified）
TYP
2.495
4.5
MAX
2.550
17
UNIT
V
mV
conditions
MIN
2.440
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
Tmin≤Ta≤Tmax
△V
KA
=10V�½�
Ratio Of Change in Reference Input
Voltage to the change in Cathode
Voltage
△V
ref
/△V
KA
I
KA
=10m
A
-1.0
-2.7
０．３５
２．９２±０．０５
１．９
m V/V
V
REF
△V
KA
=36V�½�
10V
-0.5
-2.0
Reference Input Current
Deviation Of Reference Input 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
1.5
0.5
μ
A
△l
ref
/△T
0.4
1.2
μ
A
I
KA
(min)
I
KA
(OFF)
Z
KA
V
KA
=V
REF
V
KA
=36V ,V
REF
=0
V
KA
=V
REF
,l
KA
=1 to 100mA
f≤1.0KHz
0.45
0.05
0.15
1.0
1.0
0.5
mA
μ
A
Ω
Note：T
MIN
=0℃ ,T
MAX
=+70℃
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
