STL431 3-Terminal Elektronische Bauelemente Adjustable Shunt Regulator SOT-89 Description The STL431 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 external resistors. It provides very wide applications, including shunt regulator, series regulator, switching regulator, voltage reference and others. REF. A B C D E F Millimeter Min. Max. 4.4 4.6 4.05 4.25 1.50 1.70 1.30 1.50 2.40 2.60 0.89 1.20 Millimeter Min. Max. 3.00 REF. 1.50 REF. 0.40 0.52 1.40 1.60 0.35 0.41 5° TYP. 0.70 REF. REF. G H I J K L M Absolute Maximum Ratings at TA=25 oC Parameter Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Operating Junction And Storage Temperature Range Total Power Dissipation Characteristics Symbol Ratings VKA 37 V IKA IREF -100~+150 mA -0.05~+10 mA Tj ,Tstg -65~+150 1.0 PD o C W at Ta = 25 Parameter Cathode Voltage Cathode Current Reference Input Voltage Symbol Min Typ. Max. Unit VKA VREF - 36 V mA IKA STL431C STL431B VREF STL431A 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 VREF/ T VREF/ VKA IREF 1 - 100 2.445 2.495 2.545 2.470 2.495 2.520 2.483 2.495 2.507 - 4.5 17 - -1.0 -2.7 - -0.5 -2.0 - 1.5 4 V mV Test Conditions VKA= VREF,IK=10mA VKA=VREF,IK=10mA Tmin Ta Tmax mV/V IK=10mA uA IREF/ T - 0.4 1.2 uA Minimum Cathode Current for Regulation IKA(min) - 0.45 1.0 mA Off-State Cathode Current IKA(off) - 0.05 1.0 uA ZkA - 0.15 0.5 Over Full Temperature Range Dynamic Impedance Unit VKA=10V~VREF 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 to 100mA,F 1.0KHz Note: Tmin= 0 ,Tmax=+70 http://www.SeCoSGmbH.com/ 01-Aug-2002 Rev. B Any changing of specification will not be informed individual Page 1 of 3 STL431 Elektronische Bauelemente 3-Terminal Adjustable Shunt Regulator Functional Block Diagram & Symbol Test Circuits Characteristics Curve http://www.SeCoSGmbH.com/ 01-Aug-2002 Rev. B Any changing of specification will not be informed individual Page 2 of 3 STL431 Elektronische Bauelemente V 3-Terminal Adjustable Shunt Regulator V =5V V http://www.SeCoSGmbH.com 01-Aug-2002 Rev.B V Any changing of specification will not be informed individual Page 3 of 3