Datenblatt-Suchmaschine für elektronische Bauteile |
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TL431A Datenblatt(PDF) 4 Page - Analog Intergrations Corporation |
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TL431A Datenblatt(HTML) 4 Page - Analog Intergrations Corporation |
4 / 14 page AIC431/TL431A/TL431 4 ELECTRICAL CHARACTERISTICS (TA=25C, unless otherwise specified.) (Note 1) PARAMETER TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT VZ=VREF, AIC431 2.482 2.495 2.508 IIN =10mA (Fig. 1) TL431A 2.470 2.495 2.520 Reference Voltage TL431 VREF 2.455 2.495 2.535 V VZ = VREF , IIN =10mA, TA = 0C~ +70C (Fig. 1) 9.0 20 Deviation of Reference Input Voltage Over Temperature (Note 2) TA = -40C~ +85C (Fig. 1) VDEV 9.0 50 mV VZ=10V-VREF -0.5 -2.0 mV/V Ratio of the Change in Reference Voltage to the Change in Cathode voltage IZ=10mA (Fig. 2) VZ=30V-10V V REF V Z -0.35 -1.5 mV/V Reference Input Current R1 =10K , R2=, IIN =10mA (Fig. 2) IREF 0.8 3.5 A Deviation of Reference Input Current over Temperature R1 =10K , R2=, IIN =10mA TA =-40C ~ +85C (Fig. 2) I REF 0.3 1.2 A 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 A Dynamic Output Impedance (Note 3) VZ=VREF F<1KHz (Fig. 1) RZ 0.08 0.3 Note 1: Specifications are production tested at TA=25C. Specifications over the -40 C to 85C operating temperature range are assured by design, characterization and correlation with Statistical Quality Controls (SQC). T2 T1 VMAX VDEV = VMAX-VMIN VMIN TEMPERATURE Note 2: Deviation of reference input voltage, V DEV, 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, V REF is defined as: T1 T2 1 C) 25 (at V V T1 T2 6 10 C) 25 (at V V - V C ppm V REF DEV REF MIN MAX REF Where: T2T1=full temperature change. V REF can be positive or negative depending on whether the slope is positive or negative. Example: VDEV= 9.0mV, VREF= 2495mV, T2T1= 70C, slope is negative. C 50ppm/ V C 70 6 10 2495mV 9.0mV REF Note 3: The dynamic output impedance, Rz, is defined as: RZ = Z Z V I When the device is programmed with two external resistors, 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 |
Ähnliche Teilenummer - TL431A |
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Ähnliche Beschreibung - TL431A |
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