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TL431CZT датащи(PDF) 5 Page - STMicroelectronics |
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TL431CZT датащи(HTML) 5 Page - STMicroelectronics |
5 / 21 page TL431, TL432 Electrical characteristics Doc ID 4467 Rev 11 5/21 3 Electrical characteristics Table 3. TL431C (Tamb = 25° C unless otherwise specified) Symbol Parameter TL431C TL431AC Unit Min. Typ. Max. Min. Typ. Max. Vref Reference input voltage VKA = Vref, Ik = 10 mA, Tamb =25° C Tmin ≤ Tamb ≤ Tmax 2.44 2.423 2.495 2.55 2.567 2.47 2.453 2.495 2.52 2.537 V ΔVref Reference input voltage deviation over temperature range (1) VKA = Vref, Ik = 10 mA, Tmin ≤ Tamb ≤ Tmax 317 3 15 mV Ratio of change in reference input voltage to change in cathode to anode voltage Ik = 10 mA - ΔVKA = 10 V to Vref ΔVKA = 36 V to 10 V -2.7 -2 -1.4 -1 -2.7 -2 -1.4 -1 mV/V Iref Reference input current Ik = 10 mA, R1 = 10 kΩ, R2 = ∞ Tamb = 25° C Tmin ≤ Tamb ≤ Tmax 1.8 4 5.2 1.8 4 5.2 µA ΔIref Reference input current deviation over temperature range Ik = 10 mA, R1 = 10 kΩ, R2 =∞ Tmin ≤ Tamb ≤ Tmax 0.4 1.2 0.4 1.2 µA Imin Minimum cathode current for regulation VKA = Vref 0.5 1 0.5 0.6 mA Ioff Off-state cathode current 2.6 1000 2.6 1000 nA ⏐ZKA⏐ Dynamic impedance (2) VKA = Vref, Δ Ik = 1 to 100 mA, f ≤ 1 kHZ 0.22 0.5 0.22 0.5 Ω 1. See definition of Section 3.1: Reference input voltage deviation over temperature range. 2. The dynamic impedance is defined as |ZKA| = ΔVref ΔVka ------------ ΔV KA I k Δ ---------------- |
Аналогичный номер детали - TL431CZT |
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Аналогичное описание - TL431CZT |
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