Datasheet TLV431, NCV431, SCV431 (ON Semiconductor) - 7

TLV431, NCV431, SCV431
Input VKA Input VKA Input VKA IK IK IK(off) R1 Iref Vref R2 Vref V + V ǒ1 ) R1Ǔ ) I SR1 KA ref R2 ref
Figure 3. Test Circuit Figure 4. Test Circuit Figure 5. Test Circuit for VKA = Vref for VKA
u
Vref for IK(off)
30 110 90 Input VKA IK 20 A) Input V (mA) KA m IK ( 70 V I KA = Vref K(min) 50 TA = 25°C 10 VKA = Vref TA = 25°C 30 THODE CURRENT THODE CURRENT 10 , CA 0 , CA I K I K −10 −10 −30 −1.0 −0.5 0 0.5 1.0 1.5 2.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 VKA, CATHODE VOLTAGE (V) VKA, CATHODE VOLTAGE (V)
Figure 6. Cathode Current vs. Cathode Voltage Figure 7. Cathode Current vs. Cathode Voltage
1.25 0.15 Vref(max) A) Input VKA m ( IK 10 k Iref TAGE (V) Vref(typ) 1.24 0.14 I VOL K = 10 mA CURRENT 1.23 Input V 0.13 KA Vref(min) IK , REFERENCE INPUT VKA = Vref , REFERENCE INPUT ref IK = 10 mA TLV431A Typ. V I ref 1.22 0.12 −40 −15 10 35 60 85 −40 −15 10 35 60 85 TA, AMBIENT TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C)
Figure 8. Reference Input Voltage versus Figure 9. Reference Input Current versus Ambient Temperature Ambient Temperature www.onsemi.com 7