Datasheet AS431 (Diodes) - 5

AS431 Electrical Characteristics
(Operating Conditions: TA = +25°C, unless otherwise specified.)
Test Symbol Parameter Conditions Min Typ Max Unit Circuit
0.5% 2.487 2.500 2.512 VREF Reference Voltage 4 VKA = VREF, IKA = 10mA V 1.0% 2.475 2.500 2.525 0 to +70°C — 4.5 8 Deviation of Reference Voltage V ∆ KA = VREF, VREF 4 -40 to +85°C — 4.5 10 mV Over Full Temperature Range IKA = 10mA -40 to +125°C — 4.5 16 ∆VREF Ratio of Change in Reference ∆VKA = 10V to VREF — -1.0 -2.7 ∆V Voltage to the Change in Cathode 5 I mV/V KA KA = 10mA ∆ Voltage VKA = 36V to 10V — -0.5 -2.0 IREF Reference Current 5 IKA = 10mA, R1 = 10kΩ, R2 = ∞ — 0.7 4 µA Deviation of Reference Current I ∆ KA = 10mA, R1 = 10kΩ, R2 = ∞, I — REF 5 0.4 1.2 µA Over Full Temperature Range TA = -40 to +125°C IKA Minimum Cathode Current for 4 VKA = VREF — 0.4 1.0 mA (Min) Regulation IKA Off-state Cathode Current 6 VKA = 36V, VREF = 0 — 0.05 1.0 µA (Off) VKA = VREF, IKA = 1 to 100mA, Z — KA Dynamic Impedance 4 0.15 0.5 Ω f ≤ 1.0 kHz SOT23 — 135.9 — SOT25 — 135.9 — θJC Thermal Resistance — °C/W TO92 (Ammo Packing) — 81.9 — SOT89 — 29.8 — AS431 5 of 20 May 2018 Document number: DS36599 Rev. 4 - 2
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