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数据手册CJ431K 概述
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CJ431K 数据手册
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PDF下载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
TO—92
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
1.REFERENCE
2.ANODE
3.CATHODE
Low output noise voltage
Fast on -state response
1 2 3
ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies unless otherwise specified）
Parameter
Cathode Voltage
SYMBOL
VKA
VALUE
37
UNITS
V
Cathode Current Range (Continuous)
Reference lnput Current Range
Power Dissipation
IKA
-100-+150
0.05-+10
770
mA
Iref
mA
PD
mW
Operating temperature
Topr
Tstg
0-70
℃
℃
Storage temperature Range
-65-+150℃
ELECTRICAL CHARACTERISTICS（Tamb=25℃ unless otherwise specified）
Parameter
Symbol
Vref
Test
conditions
MIN
TYP
2.5
MAX
UNIT
V
Reference lnput Voltage
VKA=VREF, IKA=10mA
2.475
2.525
17
VKA =VREF, IKA =10mA
Tmin≤Ta≤Tmax
Deviation of reference input Voltage
Over temperature (note)
△Vref/△T
4.5
-1.0
-0.5
1.5
mV
△VKA
=10V～VREF
-2.7
-2.0
4
m V/V
m V/V
Ratio Of Change in Reference lnput
Voltage to the change in Cathode
Voltage
△Vref/△VKA IKA=10mA
△VKA
=36V～ 10V
I
KA= 10mA,R1=10KΩ
R2=∞
Reference lnput Current
lref
μA
μA
lKA=10mA, R1=10KΩ
R2=∞
TA=full Temperature
Deviation Of Reference lnput Current
Over Full Temperature Range
△lref/△T
0.4
1.2
Minimum cathode current for
regulation
IKA(min)
IKA(OFF)
ZKA
VKA=VREF
0.45
0.05
0.15
1.0
1.0
0.5
mA
μA
Ω
Off-state cathode Current
VKA=36V ,VREF=0
VKA=VREF,lKA=1 to 100mA
f≤1.0KHz
Dynamic lmpedance
Note:TMIN=0℃ ,TMAX=+70℃
CLASSIFICATION OF Vref
2%
Rank
0.5%
1%
2.450-2.550
Range
2.487-2.512
2.475-2.525
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