SPX1431M5-L 데이터 시트보기 (PDF) - Signal Processing Technologies
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SPX1431M5-L Datasheet PDF : 12 Pages
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150 1
IK
R
10k1
Figure 17. Test Circuit for Stability
100
10
VKA= 36V
VREF= 0V
1
0.1
0.01
-50
0
50
100
TA Ambient Temperature (°C)
Figure 19. Off State Leakage
TYPICAL PERFORMANCE CHARACTERISTICS
100
10
TA = 25 °C
IK =1mA to 100mA
CL
1.0
0.1
0.01
1K
10K
100K
1M
10M
f - Frequency (Hz)
Figure 18. Dynamic Output Impedance TA= 25 °C,
IK= 1 to 100mA
VIN
R3
VOUT
R1
0.1%
VREF
R2
0.1%
SPX1431
150
Figure 20. Shunt Regulator VOUT = (1+R1/R2)VREF
VIN
R2
ISINK
Q1
VOUT
R3
Opto Isolator
R1
0.1%
Isolated
Feedback
R3 sets feedback gain,
C1 provides feedback
compensation
SPX1431
R1
0.1%
Figure 21. Constant Current, Sink, ISINK= V REF/R1
+
C2
C1
SPX1431
VOUTRTN
R2
0.1%
Figure 22. Reference Amplifier for Isolated Feedback in
Off-Line DC-DC Converters
Mar13-07
SPX1431 Precision Adjustable Shunt Regulator
© 2007 Sipex Corporation
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