Datasheet ZR431L (Diodes) - 4

ManufacturerDiodes
DescriptionAdjustable Precision Shunt Regulator
Pages / Page9 / 4 — ZR431L. DC Test Circuits. www.diodes.com
File Format / SizePDF / 634 Kb
Document LanguageEnglish

ZR431L. DC Test Circuits. www.diodes.com

ZR431L DC Test Circuits www.diodes.com

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ZR431L DC Test Circuits
Figure 1. Test Circuit for VZ = VREF Figure 2. Test Circuit for VZ > VREF Figure 3. Test Circuit for Off State Current 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: V  MAX V 1000000 V ppm ( /o ) C dev  ref V ( 1 T  T ) 2 ref The dynamic output impedance, RZ is defined as: V = V - V DEV MAX MIN VMIN V  z R  z I  z When the device is programmed with two external resistors, R1 and R2 (Figure 2), the dynamic output impedance of the overall circuit, R’, is defined as: 1 R T1 Temperature T2 R  R 1 (  ) z 2 R

ZR431L 4 of 9 April 2015 Document number: DS33256 Rev. 4 - 2
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