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A431XSF Datasheet(PDF) 2 Page - AUK corp |
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A431XSF Datasheet(HTML) 2 Page - AUK corp |
2 / 4 page ![]() KSI-2037-004 2 A431xSF Absolute maximum ratings (Operating ambient temperature range applies unless other specified) Parameter Symbol Ratings Unit Cathode to Anode voltage VKA 20 V Cathode current range IKA -100 ~+150 mA Reference input current range Iref -0.05~+10 mA Power dissipation PD* 300 mW Operating temperature range Topr -40~+85 °C Storage temperature range Tstg -65~+150 °C * With PCB(8×8mm copper area) at glass epoxy board(t=1.7mm, area: 20×20mm) Recommended operating conditions Ratings Parameter Symbol Min. Max. Unit Cathode to Anode voltage VKA Vref 18 V Cathode current range IKA 1.0 100 mA Electrical Characteristics (Ambient temperature at 25 °C, unless otherwise noted.) Parameter Symbol Condition Min. Typ. Max. Unit A431BSF 2.482 2.508 Reference input voltage (Fig. 1, Note 1) Vref VKA=Vref, IKA=10mA A431ASF 2.470 2.495 2.520 V Deviation of reference input voltage Over temperature(Fig. 1, Note 1,2) ∆Vref VKA=Vref , IKA=10mA @Ta=TLOW to THIGH - 7.0 30 mV Ratio of change in reference input Voltage to the change in cathode Voltage(Fig. 2) ∆Vref ∆VKA IKA=10mA ∆VKA=10V-Vref ∆VKA=20V-10V - - 1.2 0.7 2.7 2.0 mV/V Reference input current(Fig. 2) Iref IKA=10mA R1=10KΩ, R2=∞ - 1.8 4.0 µA Deviation of reference input current over temperature(Fig. 2) ∆Iref IKA=10mA R1=10KΩ, R2=∞ - 0.4 2.5 µA Minimum cathode current for Regulation(Fig. 1) IMIN VKA=Vref - 0.35 1.0 mA Off-state cathode current(Fig. 3) IOFF VKA=20V, Vref=0V - 2.7 1000 nA Dynamic impedance(Fig. 1, Note 3) ZKA VKA=Vref, f≤1.0KHz IKA=1.0mA-100mA - 0.14 0.5 Ω Fig. 1 Fig. 2 Fig. 3 <Note 1> : TLOW=-40°C, THIGH=+85°C , <Note 2> : ∆Vref= Vref Max. - Vref Min. , <Note 3> : ZKA= ∆VKA/ ∆IKA |
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