Datasheet

TS2431 Electrical characteristics
Doc ID 7961 Rev 4 7/11
Figure 13. Pulse response at Ik = 0 to 1 mA Figure 14. Pulse response at Ik = 1 to 0 mA
0.0 0.5 1.0 1.5 2.0
0
2
4
6
Ik= 0 to 1mA
T=25°C
Output voltage
Input voltage
Voltage (V)
Time (µs)
0.00.51.01.52.0
0
2
4
6
Ik= 1mA to 0
T=25°C
Output voltage
Input voltage
Voltage (V)
Time (µs)
Figure 15. Stability boundary conditions Figure 16. Test circuit for pulse response at
Ik = 1 mA
1E-10 1E-9 1E-8 1E-7 1E-6 1E-5
0
20
40
60
80
100
Stable
area
Instable
area
Vka=5 V
Vka=2.5 V
Vka=3 V
Cathode current (mA)
Capacitive load (F)
Ik=1mA
Output
2.5 K
Ω
Pulse
Generator
F=100kHz
0 to 5V
Intput
Figure 17. Equivalent input noise vs.
frequency
Figure 18. Block diagram
0.1 1 10 100 1000
0
50
100
150
200
250
300
Vka=Vref
Ik=1mA
T=25°C
Noise (nV / √ Hz)
Frequency (KHz)