WT431 Datasheet | Weitron Technology

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 100m A The typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/℃ The effective temperature pensation in the working range of full temperature Low output noise voltage Fast on -state response 1.REFERENCE 2.ANODE 3.CATHODE TO-92 1 2 3 ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies unless otherwise specified） SYMBOL VALUE UNITS Parameter Cathode Voltage Cathode Current Range (Continuous) Reference lnput Current Range Power Dissipation Operating temperature Storage temperature Range VKA IKA Iref PD Topr Tstg 37 -100-+150 0.05-+10 770 0-70 -65-+150℃ V m A m A m W ℃ ℃ ELECTRICAL CHARACTERISTICS（Tamb=25℃ 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 unless otherwise specified） MIN 2.475 TYP 2.5 4.5 -1.0 -0.5 1.5 0.4 0.45 0.05 0.15 MAX 2.525 17 -2.7 -2.0 4 1.2 1.0 1.0 0.5 UNIT V m V m V/V m V/V conditions VKA=VREF, IKA=10m A VKA =VREF, IKA =10m A Tmin≤Ta≤Tmax △VKA =10V～VREF IKA=10m A △VKA =36V～ 10V IKA= 10m A,R1=10KΩ R2=∞ l KA=10m A, R1=10KΩ R2=∞ TA=full Temperature VKA=VREF VKA=36V ,VREF=0 VKA=VREF,l KA=1 to 100m A f≤1.0KHz △Vref/△VKA lref △lref/△T IKA(min) IKA(OFF) ZKA μA μA m A μA Ω Note:TMIN=0℃ ,TMAX=+70℃ WT431 (0.5%) 2.487-2.512 WT431A (1.0%) 2.475-2.525 WT431B (2.0%) 2.450-2.550 CLASSIFICATION OF Vref Rank Range WEITRON http://.weitron..tw 1/2 01-Jun-09 .. WEITRON http://.weitron..tw 2/2 01-Jun-09...