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JCET

CK431K Datasheet Preview

CK431K Datasheet

Adjustable Accurate Reference Source

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JC(T
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Adjustable Reference Source
CJ431K Adjustable Accurate Reference Source
FEATURES
z The output voltage can be adjusted to 36V
z Low dynamic output impedance ,its typical value is 0.2
z Trapping current capability is 1 to 100mA
z The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/
z The effective temperature compensation in the working
range of full temperature
z Low output noise voltage
z Fast on-state response
z ESD protected up to 2KV
TO-92
1.REFERENCE
2.ANODE
3.CATHODE
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Units
Cathode Voltage
VKA 37
V
Cathode Current Range (Continuous)
IKA
-100-+150
mA
Reference lnput Current Range
Iref
0.05-+10
mA
Power Dissipation
PD 770 mW
Thermal Resistance from Junction to Ambient
Operating temperature
Junction Temperature
StorageTemperature Range
RθJA
Topr
TJ
Tstg
162
-25~+125
150
-65-+150
/W
ELECTRICAL CHARACTERISTICS (Ta=25unless otherwise specified)
Parameter
Symbol
Test conditions
Min
Reference input voltage
Vref VKA=VREF, IKA=10mA
2.470
Deviation of reference input voltage
over temperature (note)
Vref /T
VKA =VREF, IKA =10mA
TminTaTmax
Ratio of change in reference lnput
voltage to the change in cathode
voltage
Reference input current
Vref /VKA
lref
IKA=10mA
VKA
=10V~VREF
VKA
=36V~10V
IKA= 10mA,R1=10k
R2=
Deviation of reference input current
over full temperature range
Minimum cathode current for
regulation
Off-state cathode current
Dynamic impedance
lref /T
IKA(min)
IKA(OFF)
ZKA
lKA=10mA, R1=10k
R2=
TA=-25 to 125
VKA=VREF
VKA=40V ,VREF=0
VKA=VREF, lKA=1 to 100mA
f1.0kHz
Note:TMIN=-25,TMAX=+125
Typ
4.5
-1.0
-0.5
1.5
0.4
0.45
0.05
0.15
Max
2.520
17
-2.7
-2.0
4
1.2
1.0
0.5
0.5
CLASSIFICATION OF Vref
Rank
Range
0.5%
2.482-2.508
1%
2.47-2.52
Unit
V
mV
mV/V
mV/V
μA
μA
mA
μA
www.cj-elec.com
1
I,Aug,2016




JCET

CK431K Datasheet Preview

CK431K Datasheet

Adjustable Accurate Reference Source

No Preview Available !

Typical Characteristics
Cathode Current versus
Cathode Voltage
150
100
50
0
-50
-100
-2
VKA=Vref
Ta=25
-1 0 1 2
VKA, CATHODE VOLTAGE (V)
3
Cathode Current versus
Cathode Voltage
800
600
I400 KA(min)
200
0
-200
-1
012
VKA, CATHODE VOLTAGE (V)
VKA=Vref
Ta=25
3
Reference Input Voltage versus
Ambient Temperature
2600
2550
2500
2450
2400
2350
-40
VKA=Vref
IK=10mA
-20 0 20 40 60 80
Ta, AMBIENT TEMPERATURE ()
100
KA
KA
ref
Test Circuit for VKA=Vref
www.cj-elec.com
2
I,Aug,2016


Part Number CK431K
Description Adjustable Accurate Reference Source
Maker JCET
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CK431K Datasheet PDF






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