MC44603 Datasheet, PDF (19/24 Pages) ON Semiconductor – MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER

185 Vac
to
270 Vac
MC44603
Figure 48. 250 W Input Power Off–Line Flyback Converter with MOSFET Switch
RFI
Filter
R1
1.0/5.0 W
C4 ... C7
1.0 nF/1000 V
C3
1.0 nF/1.0 kV
D1 ... D4
1N4007
C1
220 µF
R20
22 k
5.0 W
R3
4.7 M
C32 220 pF
L2
22.5 µH
Sync
C8 2.2 nF
9
C9 1.0 nF
10
C10 1.0 µF
11
R15
5.6 k
R15
22 k
12
13
C11
1.0 nF
14
15
16
R17
22 k _R18
R19
27 k
10 k
R2
68 k/2.0 W
D5
1N4934
C17
47 nF
C2
220 µF
C16 R12
L1
1.0 µH
D7
M856
100 pF 27 k
8
D6
R9 1.0 k
7
C15
1.0 nF
6
R7 180 k
1N4148
C14
4.7 nF
R5 ^Laux
1.2 k
Lp
5
R8
15 k
4
D15 1N5819
3
R10 10
2
R11 39
R6
150
MTP6N60E
R26
1.0 k
C18
2.2 nF
D12
MR856
1
R12 22
C13
100 nF
R14
R13
0.2
1.0 k
MOC8101
D8
MR856 _{C30 C33}
100 µF 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
150 V/0.6 A
C31
0.1 µF
30 V/2.0 A
C28
0.1 µF
14 V/2.0 A
C24
0.1 µF
7.0 V/2.0 A
C22
0.1 µF
R23
147.5 k
D14
1N4733
R22
2.5 k
MOTOROLA ANALOG IC DEVICE DATA
19