Datasheet

DocID5558 Rev 10 5/14
TS431 Electrical characteristics
Figure 8. Off-state current vs. temperature Figure 9. Test circuit for off-state current
measurement
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
0
50
100
150
200
IOff Off-State current (nA)
Input
Vka=6V
Ioff
Figure 10. Ratio of change in reference input
voltage to change in V
KA
voltage vs.
temperature
Figure 11. Test circuit for V
KA
> V
ref
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
-3
-2
-1
0
Ratio of change in reference input voltage (mV/V)
Ik = 10mA
Vka = 6V to Vref
Input
Ik
Vka = Vref . (1+R1/R2) + Iref . R1
Vka
R1
R2
Iref
Vref
Figure 12. Phase and gain vs. frequency Figure 13. Test circuit for phase and gain
measurement
1E+3 1E+4 1E+5 1E+6
Frequency (Hz)
0
10
20
30
40
50
60
Gain (dB)
-150
-100
-50
0
50
100
150
Phase (°)
Phase margin # 50°
Gain
Phase
Input
Vref
Ik=100µA
Output
10µF
10µF
6.8K
4.3K