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| TL431K Datasheet, PDF (3/3 Pages) SeCoS Halbleitertechnologie GmbH – Adjustable Shunt Regulator | |||
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SMD Type
IC
Adjustable Accurate Reference Source
TL431K
â Typical Characterisitics
Change in Reference Input
Voltage versus Cathode Voltage
0
-4
IK=10mA
Ta=25â
(KL431K)
-8
-12
-16
-20
0
5
10
15
20
25
30
35
40
VKA, CATHODE VOLTAGE (V)
Reference Input Current versus
Ambient Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
Ta, AMBIENT TEMPERATURE (â)
IK=10mA
R1=10Kâ¦
80
100
Off-State Cathode Current
versus Ambient Temperature
40
Test Circuit for VKA=Vref(1+R1/R2)+R1*Iref
Test Circuit for Iref
30
20
10
0
-40
-20
0
20
40
60
Ta, AMBIENT TEMPERATURE (â)
VKA=36V
Vref=0V
80
100
Test Circuit for Ioff
www.kexin.com.cn 3
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