A Product Line ofDiodes IncorporatedAN431Electrical Characteristics (@TA=+25ºC, unless otherwise specified.) TestSymbolParameterConditionsMinTypMaxUnitCircuit 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