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SS6431GUSTB Fiches technique(PDF) 4 Page - Silicon Standard Corp. |
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SS6431GUSTB Fiches technique(HTML) 4 Page - Silicon Standard Corp. |
4 / 11 page www.SiliconStandard.com 4 of 11 SS6431G ELECTRICAL CHARACTERISTICS (Continued) PARAMETER TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT Reference Input Current R1 =10k Ω, R2= ∞, IIN =10mA (Fig. 2) IREF 0.8 3.5 µA Deviation of Reference Input Current over Temperature R1 =10k Ω, R2= ∞, IIN =10mA TA =-40 °C ~ +85°C (Fig. 2) αI REF 0.3 1.2 µA Minimum Cathode current for Regulation VZ=VREF (Fig. 1) IZ(MIN) 0.25 0.5 mA Off-State Current VZ=20V, VREF =0V (Fig. 3) IZ(OFF) 0.1 1.0 µA Dynamic Output Impedance (Note 4) VZ=VREF F<1kHz (Fig. 1) RZ 0.08 0.3 Ω T2 T1 VMAX VDEV = VMAX-VMIN VMIN TEMPERATURE Note 3. Deviation of reference input voltage, V DEV, is de- fined as the maximum variation of the reference input voltage over the full temperature range. The average temperature coefficient of the reference in- put voltage, αV REF is defined as: T1 T2 10 C) 25 (at V V T1 T2 6 10 C) 25 (at V V - V C ppm V 6 REF DEV REF MIN MAX REF − ° ± = − ° ± = ° ∆ Where: T2−T1=full temperature change. αVREF can be positive or negative depending on whether the slope is positive or negative. Example: VDEV= 9.0mV, VREF= 2495mV, T2−T1= 70 °C, slope is negative. C 50ppm/ V C 70 6 10 2495mV 9.0mV REF ° − = = ° α Note 4. The dynamic output impedance, Rz, is de- fined as: RZ = Z Z V I ∆ ∆ When the device is programmed with two external re- sistors, R1 and R2, (see Fig. 2), the dynamic output impedance of the overall circuit, is defined as: [ ] R2 R1 1 Rz I V z r + ≅ ∆ ∆ = 2/10/2005 Rev.2.10 |
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Description similaire - SS6431GUSTB |
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