Datasheet AZ9431Q (Diodes) - 3

AZ9431Q Electrical Characteristics
(Operating Conditions: TA = +25 ºC, unless otherwise noted.)
Test Symbol Parameter Conditions Min Typ Max Unit Circuit
VKA = VREF, 0.5% 4 AZ9431AQ 1.234 1.24 1.246 V IKA = 10mA VREF Reference Voltage VKA = VREF, 1.0% 4 AZ9431BQ 1.228 1.24 1.252 V IKA = 10mA 0°C to +70°C — 2 10 Deviation of Reference Voltage V ∆ KA = VREF, VREF 4 -40°C to +85°C — 3 10 mV Over Full Temperature Range IKA = 10mA -40°C to +125°C — 4 15 ∆VREF — Ratio of Change in VREF to the IKA = 10mA, 5 -0.5 -1.5 mV/V ∆VKA Change in Cathode Voltage ∆VKA: VREF to 16V IREF = 10mA, R1 = 10KΩ, R2 = ∞ Reference Input Current 5 IKA — 0.15 0.4 µA Deviation of Reference Current I = 10mA, R1 = 10KΩ, R2 = ∞, — ∆ KA IREF 5 0.1 0.4 µA Overfull Temperature Range TA = -40°C to +125°C IKA — Minimum Cathode Current for 4 VKA = VREF 55 80 µA (Min) Regulation IKA VREF = 0, VKA = 18V — 0.04 0.10 Off-State Cathode Current 6 µA (Off) VKA = 6V, VREF = 0 — 0.01 0.05 VKA = VREF, IKA = 1mA to 100mA, ZKA — Dynamic Impedance 4 0.05 0.15 Ω f ≤ 1.0kHz θJC Thermal Resistance (Note 5) — — — 45 — °C/W Note: 5. Test condition for SOT23: device mounted on 1"x1" FR-4 MRP substrate PCB, 2oz copper, with minimum recommended pad layout.
Test Circuits
Test Circuit 4 for VKA = VREF Test Circuit 5 for VKA > VREF Test Circuit 6 for IOFF AZ9431Q 3 of 9 January 2022 Document number: DS40953 Rev. 2 - 2
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