SPX431LN Просмотр технического описания (PDF) - Signal Processing Technologies
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SPX431LN Datasheet PDF : 12 Pages
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VIN
R2
TYPICAL PERFORMANCE CHARACTERISTICS
ISINK
Q1
VOUT
R3
Opto Isolator
R1
0.1%
SPX431L
R1
0.1%
Figure 21. Constant Current Sink, ISINK = VREF/R1
Isolated
Feedback
R3 sets feedback gain,
C1 provides feedback
compensation
+
C2
C1
SPX431L
VOUTRTN
R2
0.1%
Figure 22. Reference Amplifier for Isolated Feedback in
Off-Line DC-DC Converters
VIN
R5
R4
VIN
R1
0.1%
VOUT
R3
SPX431L
R3
C1
R1
0.1%
R2
0.1%
VOUT
R2
Q1
0.1%
SPX431L
Figure 23. Precision High Current Series Regulator
VOUT = (1+R1/R2)VREF
VCC
R2
Figure 24. High Current Shunt regulator
VOUT = (1+R1/R2)VREF
* Resistor values are chosen such that the effect to
IREF is negligible.
VIN
R1
SPX431L
VOUT
Figure 25. Single Supply Comparator with Temperature
Compensated Threshold. VIN threshold = 2.5V.
Date: 5/25/04
SPX431L Precision Adjustable Shunt Regulator
7
© Copyright 2004 Sipex Corporation5
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