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TDA4863 Datasheet(PDF) 8 Page - Infineon Technologies AG

Part No. TDA4863
Description  Power Factor Controller IC for High Power Factor and Low THD
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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 8 page
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TDA4863
Overview
Data Sheet
8
Rev.2, 2005-02
1.5
Block Diagram
Figure 3
Internal Block Diagram
0.2V
GTDRV
Reference
Voltage
Vref
Gate
Drive
+
-
Voltage
Amp
Multiplier
RS
Flip-Flop
+
-
UVLO
Restart
Timer
+
-
Detector
VSENSE
VAOUT
MULTIN
ISENSE
DETIN
VCC
GND
+
-
Current
Comp
multout
+
+
-
-
Inhibit
time delay
2.2V
2.5V
uvlo
active
shut down
1.5V
1.0V
12.5V
10V
t
dVA=2us
t
res=150us
t
dsd=70ns
20V
+
1V
Inhibit
Enable
OVR
0.5V
1V
3.5V
Vref
-
+
+
-
Clamp
Current
5V
+
-
5.4V
LEB
40k
5p




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