Datasheet TLV431, NCV431, SCV431 (ON Semiconductor) - 8

TLV431, NCV431, SCV431
0 4.0 Input VKA I −2.0 K = 10 mA A) m I V off KA = 16 V TA = 25°C ( 3.0 Vref = 0 V TAGE CHANGE (mV) −4.0 VOL Input VKA 2.0 −6.0 IK THODE CURRENT R1 , CA f) 1.0 −8.0 R2 Vref TA = 25°C I K(of , REFERENCE INPUT ref −10 0 V D 0 4.0 8.0 12 16 0 4.0 8.0 12 16 20 VKA, CATHODE VOLTAGE (V) VKA, CATHODE VOLTAGE (V)
Figure 10. Reference Input Voltage Change Figure 11. Off−State Cathode Current versus Cathode Voltage versus Cathode Voltage
0.4 10 A) Output m ( IK Input VKA 50 0.3 Ioff VKA = 16 V − Vref = 0 V + THODE CURRENT 0.2 1.0 TE CA A 0.1 , DYNAMIC IMPEDANCE (OHM)| IK = 0.1 mA to 20 mA Za T , OFF-ST | A = 25°C fIof 0 0.1 −40 −15 10 35 60 85 1.0 k 10 k 100 k 1.0 M 10 M TA, AMBIENT TEMPERATURE (°C) f, FREQUENCY (Hz)
Figure 12. Off−State Cathode Current versus Figure 13. Dynamic Impedance versus Ambient Temperature Frequency
0.24 60 I Output K = 0.1 mA to 20 mA Output f = 1.0 kHz 15 k IK 0.23 50 IK 9 F m 230 50 − 40 − 0.22 TAGE GAIN (dB) 8.25 k + 30 + VOL 0.21 I 20 K = 10 mA TA = 25°C 0.20 , OPEN LOOP |Za|, DYNAMIC IMPEDANCE (OHM) 10 volA 0.19 0 −40 −15 10 35 60 85 100 1.0 k 10 k 100 k 1.0 M TA, AMBIENT TEMPERATURE (°C) f, FREQUENCY (Hz)
Figure 14. Dynamic Impedance versus Figure 15. Open−Loop Voltage Gain Ambient Temperature versus Frequency www.onsemi.com 8