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TL431 Fiches technique(PDF) 1 Page - Tiger Electronic Co.,Ltd |
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TL431 Fiches technique(HTML) 1 Page - Tiger Electronic Co.,Ltd |
1 / 2 page TO-92 Encapsulate Adjustable Reference Source TL431 Adjustable Accurate Reference Source 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 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter SYMBOL VALUE UNITS Cathode Voltage VKA 37 V Cathode Current Range (Continuous) IKA -100-+150 mA Reference lnput Current Range Iref 0.05-+10 mA Power Dissipation PD 770 mW Operating temperature Topr 0-70 ℃ Storage temperature Range Tstg -65-+150℃ ℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Symbol Test conditions MIN TYP MAX UNIT Reference lnput Voltage Vref VKA=VREF, IKA=10mA 2.450 2.5 2.550 V Deviation of reference input Voltage Over temperature (note) V △ ref /T △ VKA =VREF, IKA =10mA Tmin≤Ta≤Tmax 4.5 17 mV V △ KA =10V~VREF -1.0 -2.7 m V/V Ratio Of Change in Reference lnput Voltage to the change in Cathode Voltage V △ ref /V △ KA IKA=10mA △ VKA =36V~10V -0.5 -2.0 m V/V Reference lnput Current lref IKA= 10mA,R1=10KΩ R2=∞ 1.5 4 μA Deviation Of Reference lnput Current Over Full Temperature Range l △ ref /T △ lKA=10mA, R1=10KΩ R2=∞ TA=full Temperature 0.4 1.2 μA Minimum cathode current for regulation IKA(min) VKA=VREF 0.45 1.0 mA Off-state cathode Current IKA(OFF) VKA=36V ,VREF=0 0.05 1.0 μA Dynamic lmpedance ZKA VKA=VREF, lKA=1 to 100mA f≤1.0KHz 0.15 0.5 Ω Note:TMIN=0 ,T ℃ MAX=+70℃ CLASSIFICATION OF Vref Rank 0.5% 1% 2% Range 2.487-2.512 2.475-2.525 2.450-2.550 1 2 3 TO-92 1.REFERENCE 2.ANODE 3.CATHODE TIGER ELECTRONIC CO.,LTD |
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Description similaire - TL431 |
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