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## SL431B Datasheet(PDF) 3 Page - AUK corp

 No. de Pieza. SL431B Descripción Programmable Voltage Reference Descarga 6 Pages Scroll/Zoom 100% Fabricante AUK [AUK corp] Página de inicio https:www.auk.co.kr Logo

## SL431B Datasheet(HTML) 3 Page - AUK corp

 3 / 6 page KSD-I0A004-0003SL431x1ref21refKAR×I+)RR+1(×V=VNote.1. Ambient temperature range: TLOW = -40℃, THigh = 85℃2. The deviation parameters △Vref and △Iref are defined as the difference between the maximum value and minimum valueobtained over the full operating ambient temperature range that applied.The average temperature coefficient of the reference input voltage,refVαis defined as:T∆)10×)℃25=T(VV∆(=)℃ppm(Vαa6arefrefrefrefVαcan be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature, refer toFig. 8Example : △Vref = 30mV and the slope is positive,△Vref @ 25℃ = 2.495V△Ta = 125℃3. The dynamic impedance ZKA is defined as:KKAKAI∆V∆=ΖWhen the device is operating with two external resistors, R1 and R2, (refer to Fig.2) the total dynamic impedance of the circuitis given by:)RR+1(×Ζ=Ζ21KA'KAFig. 1 Test circuit for VKA=VrefFig. 2 Test circuit for VKA>VrefFig. 3 Test circuit for IK(off)KAInputR1R2VIK(off)IrefVrefIKKAVInputIK∆Vref = Vref Max – Vref Min∆Ta = T2 – T1Ambient TemperatureKAVInput℃/ppm96=12510×)495.203.0(=)℃ppm(Vα6ref