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TL431K Datasheet(PDF) 1 Page - SeCoS Halbleitertechnologie GmbH |
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TL431K Datasheet(HTML) 1 Page - SeCoS Halbleitertechnologie GmbH |
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1 / 3 page  Elektronische Bauelemente TL431K Adjustable Shunt Regulator Description The TL431K series are three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.495V) and 36V with two extermal resistors. In provides very wide applications, including shunt regulator, series regulator, switching regulator, voltage reference and others. Total Power Dissipation Operating Junction and Storage Temperature Range Parameter Absolute Maximum Ratings at Ta=25 C Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Symbol Ratings Unit V mA mA C mW VKA IKA IREF PD Tj, Tstg 37 -100~+150 -0.05~+10 225 -65~+150 o o http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual RoHS Compliant Product Dim Min Max A 2.70 3.10 B 1.40 1.60 C 1.00 1.30 D 0.35 0.50 G 1.70 2.10 H 0.00 0.10 J 0.10 0.26 K 0.20 0.60 L 0.85 1.15 S 2.40 2.80 All Dimension in mm SC-59 S G D B L A Top View H C J K 01-Jun-2002 Rev. B Page 1 of 3 Characteristics at Ta=25 C Parameter Symbol Max. Typ. Test Condition Min. Unit Cathode Voltage Cathode Current Reference Input Voltage TL431KC TL431KB TL431KA Deviation of Reference Input Voltage Over Temperature (Note) Reference Input Current Ratio of Change in Reference Input Voltage to The Change in Cathode Voltage VKA IKA VREF VREF/ IKA(min) IREF VREF 100 36 2.445 2.470 17 -2.7 1.0 1.2 0.45 V V mV uA mA Ω Ω VKA=VREF,IK=10mA TMIN VKA=VREF,IK=10mA _ _ 1 _ 0.4 _ -1.0 _ _ 1.0 2.545 2.520 o mA 2.495 2.495 2.483 2.495 2.507 T 4.5 TA TMAX Deviation of Reference Input Current Over Full Temperature Range Min. Cathode Current For Regulation Off-State Cathode Current Dynamic Impedance VREF/ VKA IREF/ T IKA(off) IZKAl -2 -0.5 _ 4 1.5 0.05 0.15 0.5 _ _ _ uA uA mV/V IK=10mA VKA=10V~VREF VKA=36V~10V IK=10mA,R1=10K ,R2= Ω IK=10mA,R1=10K ,R2= TA=Full Temperature VKA=VREF VKA=36V,VREF=0 VKA=VREF,IK=1~100mA, F 1KHz Note: TMIN=0 C, TMAX=+70 C o o ∞ ∞ ≤ ≤ ≤ |
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