TYPICAL PERFORMANCE CHARACTERISTICS: Continued
0.150
REF LEVEL
60.000dB
0.0deg
/DIV
10.000dB
45.000deg
MARKER 25 297 698.000 Hz
MAG (A/R) -0.025 dB
MARKER 25 297 698.000 Hz
0.125
V KA = V REF
I K = 1 to 100mA
f ≤ 1kHz
60dB
50dB
PHASE (A/R)
93.320 deg
215 °
180 °
PHASE
0.100
0.075
40dB
30dB
20dB
10dB
135 °
90 °
45 °
0 °
0.050
0.025
0.0
0dB
-10dB
-20dB
-30dB
GAIN
-45 °
-90 °
-135 °
-180 °
-60
-30
0
30
60
90
120
-40dB
10
100
1K
10K
100K
1M
10M
-215 °
T A Free Air Temperature
START 10.000Hz
STOP 50 000 000.000Hz
Figure 11. Low Frequency Dynamic Output Impedance
VS T AMBIENT
Figure 12. Small Signal Gain and Phase VS Frequency;
I K = 10mA, T A = 25 ° C
V OUT
V IN
230 ?
V IN
9 μ F
15k ?
8.25k ?
I K
GND
V OUT
Figure 13. Test Circuit for Gain and Phase Frequency
Figure 14. Frequency = 100kHz, I K = 10mA, T A = 25 ° C
Response
100
V IN
250 ?
V OUT
90
80
70
A: V KA = V REF
B: V KA = 5V at I K =10mA
C: V KA =10V at I K =10mA
D: V KA =15V at I K =10mA
C
I K
60
50
40
f p = 100kHz
50 ?
30
STABLE
A
STABLE
20
10
T A = 25 ° C
B
D
GND
0
10 0
10 1
10 2 10 3 10 4 10 5
C L Load Capacitance (pF)
10 6
10 7
Figure 15. Test Circuit for Pulse Response
Figure 16. Stability Boundary Conditions
Date: 1/19/05
SPX2431 Precision Adjustable Shunt Regulator
5
? Copyright 2005 Sipex Corporation
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