LM431 Просмотр технического описания (PDF) - Philips Electronics
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LM431 Datasheet PDF : 17 Pages
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Philips Semiconductors
Adjustable precision shunt regulators
TYPICAL APPLICATIONS
V+
VOUT
R1
R2
ǒ Ǔ VOUT +
1
)
R1
R2
Vref
Figure 18. Shunt Regulator
SL01183
V+
VIN
VTH = Vref
VOUT
VIN
< Vref
> Vref
VOUT
V+
≈2.0V
SL01184
Figure 19. Single-Supply Comparator with
Temperature-Compensated Threshold
V+
VOUT
R1
R2
ǒ Ǔ VOUT +
1
)
R1
R2
Vref
SL01185
Figure 20. High Current Shunt Regulator
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
V+
VOUT
R1
R2
ǒ Ǔ VOUT +
1
)
R1
R2
Vref
VOUT Min = Vref + Vbe
Figure 21. Series Pass Regulator
SL01186
RCL
V+
IOUT
IOUT
+
Vref
RCL
Figure 22. Constant Current Source
SL01187
V+
ISINK
ISINK
+
Vref
RS
RS
Figure 23. Constant Current Sink
SL01189
1997 Feb 25
10
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