Datasheet LM431SA, LM431SB, LM431SC (ON Semiconductor) - 7

LM431SA, LM431SB, LM431SC TYPICAL PERFORMANCE CHARACTERISTICS
150 800 VKA = VREF VKA = VREF 100 TA = 25°C mA) 600 TA = 25°C ) A IKA(MIN) m ( 50 400 rent hode Cur 0 200 , Cat I K −50 0 − Cathode Current (mA) − Cathode Current ( I K I K −100−2 −1 0 1 2 3 −200−1 0 1 2 3 V , Cathode Voltage (V) KA VKA − Cathode Voltage (V) VKA − Cathode Voltage (V)
Figure 10. Cathode Current vs. Cathode Voltage Figure 11. Cathode Current vs. Cathode Voltage
0.20 3.5 0.18 3.0 0.16 0.14 2.5 mA) mA) 0.12 2.0 0.10 1.5 0.08 f−State Cathode Current ( 0.06 − Reference Input Current ( 1.0 − Of f I ref 0.04 I of 0.5 0.02 0.0 0.00 −50 −25 0 25 50 75 100 125 −50 −25 0 25 50 75 100 125 150 T T , Ambient Temperature ( oC) A − Ambient Temperature (°C) T A A − Ambient Temperature (°C)
Figure 12. OFF−State Cathode Current vs. Ambient Figure 13. Reference Input Current vs. Ambient Temperature Temperature
60 6 TA = 25°C TA = 25°C 50 I INPUT KA = 10 mA 5 40 4 30 3 OUTPUT oltage Gain (dB) 20 2 10 Voltage Swing (V) Loop V 1 0 Open −10 0 1k 10k 100k 1M 10M 0 4 8 12 16 20 Frequency (Hz) Frequency (Hz) Time (ms)
Figure 14. Frequency vs. Small Signal Voltage Figure 15. Pulse Response Amplification www.onsemi.com 7