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| TL431K Elektronische Bauelemente RoHS Compliant Product 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. A L SC-59 Dim A B S Top View Min 2.70 1.40 1.00 0.35 1.70 0.00 0.10 0.20 0.85 2.40 Max 3.10 1.60 1.30 0.50 2.10 0.10 0.26 0.60 1.15 2.80 B C D G D G C H K J H J K L S All Dimension in mm Absolute Maximum Ratings at Ta=25 C Parameter Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Total Power Dissipation Operating Junction and Storage Temperature Range o Symbol VKA IKA IREF PD Tj, Tstg Ratings 37 -100~+150 -0.05~+10 225 -65~+150 Unit V mA mA mW o C Characteristics at Ta=25 C Parameter Cathode Voltage Cathode Current Reference Input Voltage TL431KC TL431KB TL431KA Deviation of Reference Input Voltage Over Temperature (Note) Ratio of Change in Reference Input Voltage to The Change in Cathode Voltage Reference Input Current Deviation of Reference Input Current Over Full Temperature Range Min. Cathode Current For Regulation Off-State Cathode Current Dynamic Impedance Note: TMIN=0 C, TMAX=+70 C http://www.SeCoSGmbH.com/ o o o Symbol VKA IKA VREF Min. VREF 1 2.445 2.470 2.483 _ _ Typ. _ _ Max. 36 100 2.545 2.520 2.507 Unit V mA V Test Condition 2.495 2.495 2.495 VKA=VREF,IK=10mA VKA=VREF,IK=10mA TMIN TA TMAX VKA=10V~VREF IK=10mA VKA=36V~10V IK=10mA,R1=10K[,R2= IK=10mA,R1=10K[,R2= TA=Full Temperature VKA=VREF VKA=36V,VREF=0 VKA=VREF,IK=1~100mA, F 1KHz VREF/ T VREF/ VKA IREF IREF/ T IKA(min) IKA(off) 4.5 -1.0 17 -2.7 -2 4 1.2 1.0 mV mV/V uA uA mA uA [ _ _ _ _ _ _ -0.5 1.5 0.4 0.45 0.05 0.15 1.0 0.5 IZKAl Any changing of specification will not be informed individual 01-Jun-2002 Rev. B Page 1 of 3 TL431K Elektronische Bauelemente Functional Block Diagram & Symbol Adjustable Shunt Regulator Test Circuits Characteristics Curve http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. A Page 2 of 3 TL431K Elektronische Bauelemente Adjustable Shunt Regulator http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. B Page 3 of 3 |
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