MC44603 Datasheet, PDF (21/24 Pages) ON Semiconductor – MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER

185 Vac
to
270 Vac
MC44603
Figure 49. 125 W Input Power Off–Line Flyback Converter with Bipolar Switch
RFI
Filter
R1
1.0/5 W
C4 ... C7
1.0 nF/1000 V
D1 ... D4
1N4007
C1
100 µF
C3
1.0 nF/1.0 kV
R3
4.7 M
C32 220 pF
C9 1.0 nF
C10 1.0 µF
R15
5.6 k
R16
22 k
C11
1.0 nF
R17
22 k _R18
27 k
R2
68 k/2 W
C2
220 µF
D5
1N4934
L1
1.0 µH
VCC
C16 R4
100 pF 27 k
9
8
D6
10
7
C15
1.0 nF
R9 1.0 k
1N4148
C14
4.7 nF
R5
1.2 k
Laux
Lp
11
6
R7 180 k
12
5
R8
15 k
13
4
R6
150
C18
2.2 nF
D15 1N5819
D13 1N4728
14
3
MJF18006
R10 10
D12
15
2
R11 39
C34 1.0 µF
MR856
16
1
R19
C13
10 k
100 nF
R14
R13
0.33
1.0 k
MOC8101
D8
MR856
C30
100 µF
C29 220 pF
D9
MR852
C27
1000 µF
C26 220 pF
D10
MR852
C25
1000 µF
C23 220 pF
D11
MR852 ^C21
1000 µF
R24
270
R21 C19
10 k 100 nF
R25
C12
1.0 k
6.8 nF
TL431
C20
33 nF
120 V/0.5 A
C31
0.1 µF
28 V/1.0 A
C28
0.1 µF
15 V/1.0 A
C24
0.1 µF
8.0 V/1.0 A
C22
0.1 µF
R23
117.5 k
D14
1N4733
R22
2.5 k
MOTOROLA ANALOG IC DEVICE DATA
21