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ATL431LI Datasheet(PDF) 5 Page - Texas Instruments |
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ATL431LI Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 29 page  5 ATL431LI ATL432LI www.ti.com SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019 Product Folder Links: ATL431LI ATL432LI Submit Documentation Feedback Copyright © 2017–2019, Texas Instruments Incorporated (1) The deviation parameters VI(dev) and II(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. For more details on VI(dev) and how it relates to the average temperature coefficient, see Parameter Measurement Information. (2) The dynamic impedance is defined by |ZKA| = ΔVKA/ΔIKA. For more details on |ZKA| and how it relates to VKA, see Parameter Measurement Information. 7.5 Electrical Characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) PARAMETER TEST CIRCUIT TEST CONDITIONS MIN TYP MAX UNIT VREF Reference Voltage See Figure 17 VKA = Vref, IKA = 1 mA ATL43xLIAx devices 2475 2500 2525 mV ATL43xLIBx devices 2487 2500 2512 mV VI(dev) Deviation of reference input voltage over full temperature range (1) See Figure 17 VKA = Vref, IKA = 1 mA ATL43xLIxI devices 6 17 mV ATL43xLIxQ devices 10 27 mV ΔVref / ΔVKA Ratio of change in reference voltage to the change in cathode voltage See Figure 18 IKA = 1 mA ΔVKA = 10 V - Vref –1.4 –2.7 mV/V ΔVKA = 36 V - 10 V –1 –2 mV/V Iref Reference Input Current See Figure 18 IKA = 1 mA, R1 = 10kΩ, R2 = ∞ 0.2 0.4 µA II(dev) Deviation of reference input current over full temperature range (1) See Figure 18 IKA = 1 mA, R1 = 10kΩ, R2 = ∞ 0.1 0.3 µA Imin Minimum cathode current for regulation See Figure 17 VKA = Vref 65 80 uA Ioff Off-state cathode current See Figure 19 VKA = 36 V, Vref = 0 0.1 1 µA |ZKA| Dynamic Impedance (2) See Figure 17 VKA = Vref, IKA = 1 mA to 15 mA 0.3 0.65 Ω |
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