Datasheet AN431 (Diodes) - 5

A Product Line of Diodes Incorporated AN431 Electrical Characteristics
(@TA=+25ºC, unless otherwise specified.)
Test Symbol Parameter Conditions Min Typ Max Unit Circuit
Reference 0.5% 2.487 2.500 2.512 VREF 4 VKA=VREF, IKA=10mA V Voltage 1.0% 2.475 2.500 2.525 0 to +70oC – 4.5 8 Deviation of Reference Voltage V
∆
KA=VREF, VREF 4 -40 to +85oC – 4.5 10 mV Over Full Temperature Range IKA=10mA -40 to +125oC – 4.5 16 Ratio of Change in Reference
∆ ∆
V VKA=10V to VREF -1.0 -2.7 REF

Voltage to the Change in Cathode 5 I – mV/V
∆
KA=10mA VKA 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=∞, IREF 5 – 0.4 1.2 µA Over Full Temperature Range TA=-40 to +125oC Minimum Cathode Current for IKA (Min) 4 VKA=VREF – 0.4 1.0 mA Regulation IKA (Off) Off-state Cathode Current 6 VKA=36V, VREF=0 – 0.05 1.0 µA VKA=VREF, IKA=1 to 100mA, ZKA Dynamic Impedance 4 – 0.15 0.5 Ω f≤1.0kHz θJC Thermal Resistance – SOT-23 – 135 – ºC/W AN431 5 of 13 April 2015 Document number: DS37414 Rev. 3 - 2
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