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SPX431LAS/TR 数据表(PDF) 7 Page - Sipex Corporation

部件名 SPX431LAS/TR
功能描述  Precision Adjustable Shunt Regulator
PDF  12 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SPX431LAS/TR 数据表(HTML) 7 Page - Sipex Corporation

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



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