NCP431AISNT1G Datasheet, PDF (7/17 Pages) ON Semiconductor – Programmable Precision References

NCP431A, SC431A, NCP431B, NCP432B Series
60
50
9.0mF
IK
15k
Output
230
40
8.25k
GND
30
20
10
0 I_K = 100 mA to 10 mA
T_A = 25°C
−10
1000
10k
100k
1M
f, FREQUENCY (Hz)
Figure 15. Open−Loop Voltage Gain versus
Frequency
800
700
600
500
400
VKA = V ref
IK = 1 mA
300 ^{Input TA = 25°C}
VKA
200
IK
100
10M
010
100
1000
10k
f, FREQUENCY (Hz)
Figure 16. Spectral Noise Density
100k
4.0
3.0
2.0
1.0
Output
Input
Monitor
Pulse
Generator
f = 100kHz
220 Output
50
GND
10
5.0
0
Input
0 4.0 8.0 12 16 20 24 28 32 36 40
t, TIME (ms)
Figure 17. Pulse Response
C_L, LOAD CAPACITANCE (nF)
Figure 18. Stability Boundary Conditions
Figure 19. Stability Boundary Conditions for
Small Cathode Current
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