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ZR431LF02 Datasheet(PDF) 2 Page - Zetex Semiconductors |
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ZR431LF02 Datasheet(HTML) 2 Page - Zetex Semiconductors |
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2 / 7 page  ZR431L ABSOLUTE MAXIMUM RATING Cathode Voltage (VZ) 10V Cathode Current 50mA Operating Temperature -40 to 85°C Storage Temperature -55 to 125°C Recommended Operating Conditions Min Max Cathode Voltage VREF 10V Cathode Current 100 µA25mA Power Dissipation (Tamb=25°C, Tjmax=150°C) SOT23 330mW TO92 600mW ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):Tamb=25°C PARAMETER SYMBOL VALUE UNITS CONDITIONS MIN TYP MAX Reference Voltage 2.5% 1.0% Vref 1.209 1.228 1.24 1.24 1.271 1.252 VIL=10mA (Fig1), VZ=Vref Deviation of Reference Input Voltage over Temperature Vdev 4.0 8.0 mV IL=10mA, VZ=Vref Ta=full range (Fig1) Ratio of the change in Reference Voltage to the Change in Cathode Voltage ∆Vref ∆VZ 0.5 2.0 mV/V VZ from Vref to 10V IZ=10mA (Fig2) Reference Input Current Iref 0.02 0.11 0.4 µA R1=10k,R2=O/C,lL=10mA(Fig2) Deviation of Reference Input Current over Temperature ∆Iref 0.02 0.2 µA R1=10k, R2=O/C, IL=10mA Ta=full range (Fig2) Minimum Cathode Current for Regulation IZmin 30 100 µA Off-state Current IZoff 10 30 µA VZ=10V, Vref =0V (Fig3) Dynamic Output Impedance RZ 0.25 2 Ω VZ=Vref (Fig1), f=0Hz, IL=10mA Deviation of reference input voltage, Vdev, is defined as the maximum variation of the reference input voltage over the full temperature range. The average temperature coefficient of the reference input voltage, Vref is defined as: Vref (ppm ⁄ °C)= Vdev x 1000000 Vref (T1−T2) The dynamic output impedance, Rz, is defined as: RZ = ∆VZ ∆IZ When the device is programmed with two external resistors, R1 and R2, (fig 2) , the dynamic output impedance of the overall circuit, R’, is defined as: R’ =Rz (1+ R1 R2 ) Vmax Vmin T1 T2 Vdev = Vmax - Vmin Temperature |
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