TL431

TIGER ELECTRONIC CO.,LTD TO-92 Encapsulate Adjustable Reference Source T L431 Adjustable Accurate Reference Source TO-92 FEATURES The output voltage can be adjusted to 36V Low dynamic output impedance ,its typical value is 0.2Ω Trapping current capability is 1 to 100mA The typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/℃ The effective temperature compensation in the working range of full temperature Low output noise voltage Fast on -state response 1.REFERENCE 2.ANODE 3.CATHODE 123 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Cathode Voltage Cathode Current Range (Continuous) Reference lnput Current Range Power Dissipation Operating temperature Storage temperature Range SYMBOL VKA IKA Iref PD Topr Tstg VALUE 37 -100-+150 0.05-+10 770 0-70 -65-+150℃ UNITS V mA mA mW ℃ ℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Reference lnput Voltage Deviation of reference input Voltage Over temperature (note) Ratio Of Change in Reference lnput Voltage to the change in Cathode Voltage Reference lnput Current Deviation Of Reference lnput Current Over Full Temperature Range Minimum cathode current for regulation Off-state cathode Current Dynamic lmpedance Symbol Vref △Vref /△T Test conditions MIN 2.450 TYP 2.5 4.5 -1.0 -0.5 1.5 0.4 0.45 0.05 0.15 MAX 2.550 17 -2.7 -2.0 4 1.2 1.0 1.0 0.5 UNIT V mV m V/V m V/V μA μA mA μA Ω VKA=VREF, IKA=10mA VKA =VREF, IKA =10mA Tmin≤Ta≤Tmax IKA=10mA △VKA =10V~VREF △Vref /△VKA lref △lref /△T IKA(min) IKA(OFF) ZKA △VKA =36V~10V IKA= 10mA,R1=10KΩ R2=∞ lKA=10mA, R1=10KΩ R2=∞ TA=full Temperature VKA=VREF VKA=36V ,VREF=0 VKA=VREF, lKA=1 to 100mA f≤1.0KHz Note:TMIN=0℃ ,TMAX=+70℃ CLASSIFICATION OF Vref Rank Range 0.5% 2.487-2.512 1% 2.475-2.525 2% 2.450-2.550