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| U2008B Datasheet, PDF (2/10 Pages) TEMIC Semiconductors – Low Cost Current Feedback Phase Control Circuit | |||
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U2008B
230 V ~
L
Load
Limiting
detector
22 kW/2W
BYT51K
R2
680 kW
R1 D1
amax
R8
470 kW
7
6
96 11644
Voltage
detector
Mains voltage
compensation
Automatic
retriggering
TIC
226
R3
8
180W
1
Current
detector
Full wave load
current detector
Soft start
C5
Soft start
4.7mF/ 25 V
Phase
control unit
ö = f (V3)
2
3
C3
C4
10 nF 100 nF
+â
Supply
voltage
limiting
Reference
voltage
Voltage
monitoring
5 âVS
C1
100 mF/
25 V
4 GND
R10
68 kW
Set point
R7
220 kW
P1
50 kW
N
Figure 2. Block diagram with typical circuit: Soft start
2 (10)
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
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