Datasheet AN431 (Diodes) - 7

A Product Line of Diodes Incorporated AN431 Performance Characteristics Reference Voltage vs. Ambient Temperature Reference Current vs. Ambient Temperature
2.510 1.5 V =V KA REF R =10K,R = ∞ I =10mA 1 2 KA I =10mA KA 2.505 (V) A)  e ( 1.0 g t at 2.500 n l rre Vo u C ce n 2.495 ce re n ef re e e 0.5 f R e R 2.490 2.485 0.0 -60 -40 -20 0 20 40 60 80 100 120 140 -60 -40 -20 0 20 40 60 80 100 120 140 Ambient Temperature (oC) Ambient Temperature (0C)
Cathode Current vs. Cathode Voltage Cathode Current vs. Cathode Voltage
150 800 V =V V =V KA REF KA REF T =250C T =250C A A 600 100 A) A)  (m ( t t n 400 50 n rre rre u u C C e 200 e d d 0 o o ht ht a a C C 0 -50 -200 -100 -2 -1 0 1 2 3 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 Cathode Voltage (V) Cathode Voltage (V)
Off-state Cathode Current Ratio of Delta Reference Voltage to the vs. Ambient Temperature Ratio of Delta Cathode Voltage
2.0 1.8 V =36V -0.9 KA V =3.5V to 36V KA V =0 1.6 REF A) ( -1.0 1.4 t n rre 1.2 V) u C V/ -1.1 e 1.0 (m d o KA ht V 0.8 a  C -1.2 / F e 0.6 E t R a V  -st 0.4 ff -1.3 O 0.2 0.0 -1.4 -40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120

Ambient Temperature (oC) Ambient Temperature (oC) AN431 7 of 13 April 2015 Document number: DS37414 Rev. 3 - 2
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