TDA4863-2_05 INFINEON [Infineon Technologies AG], TDA4863-2_05 Datasheet - Page 8

• Manufacturer Part Number: TDA4863-2_05
• Description: Power-Factor Controller (PFC) IC for High Power Factor and Low THD
• Manufacturer: INFINEON [Infineon Technologies AG]

1.5
Figure 3
Version 2.1
20V
0.2V
10V
VSENSE
Block Diagram
VCC
12.5V
2.5V
Internal Bolck Diagram
+
-
Voltage
-
+
+
-
Enable
UVLO
Amp
5.4V
VAOUT
2.2V
OVR
Reference
Voltage
-
+
Inhibit
Vref
GND
Multiplier
MULTIN
5V
1.0V
time delay
t
DETIN
Inhibit
dVA
multout
1V
=2us
ISENSE
1.5V
0.5V
8
+
Current
-
-
+
Detector
Clamp
+
+
Current
-
Comp
t
LEB
dsd
=70ns
3.5V
Vref
Flip-Flop
1V
RS
t
Restart
res
Timer
-
+
-
+
=150us
shut down
active
uvlo
Drive
Gate
TDA4863-2
GTDRV
22 Feb 2005
Overview