Datasheet TLV431 (Diodes) - 3

TLV431 Electrical Characteristics
(IKA = 10mA, TA = +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Units
TLV431A 1.228 1.24 1.252 VKA = VREF, TLV431B 1.234 1.24 1.246 TA = +25°C TLV431T 1.2375 1.24 1.2425 TLV431A 1.221 — 1.259 VKA = VREF, TLV431B 1.227 — 1.253 TA = 0 to +70°C TLV431T 1.230 — 1.250 VREF Reference Voltage V TLV431A 1.215 — 1.265 VKA = VREF, TLV431B 1.224 — 1.259 TA = -40°C to +85°C TLV431T 1.228 — 1.252 TLV431A 1.209 — 1.271 VKA = VREF, TLV431B 1.221 — 1.265 TA = -40°C to +125°C TLV431T 1.224 — 1.255 Deviation of Reference TA = 0 to +70°C — 4 12 VREF(dev) Voltage Over Full VKA = VREF TA = -40°C to +85°C — 6 20 mV Temperature Range TA = -40°C to +125°C — 11 31 Ratio of Change in ΔV 6V — -1.5 -2.7 REF Reference Voltage to V mV/V ΔV KA for VREF to KA Change in Cathode Voltage 18V — -1.5 -2.7 Reference Input IREF R Current 1 = 10kΩ, R2 = OC — 0.15 0.5 µA I TA = 0 to +70°C — 0.05 0.3 REF Deviation Over R1 = 10kΩ, IREF(dev) Full Temperature TA = -40°C to +85°C — 0.1 0.4 µA Range R2 = OC TA = -40°C to +125°C — 0.15 0.5 TA = 0 to +70°C — 55 80 Minimum Cathode IKMIN V TA = -40°C to +85°C — 55 80 µA Current for Regulation KA = VREF TA = -40°C to +125°C — 55 100 IK(OFF) Off-State Current VKA = 18V, VREF = 0 — 0.001 0.1 µA Dynamic Output VKA = VREF, f = <1kHz ZKA — 0.25 0.4 Ω Impedance IK = 0.1mA to 15mA TLV431 3 of 17 March 2024 Document number: DS32088 Rev. 9 - 2
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