MC44603
Figure 48. 250 W Input Power Off–Line Flyback Converter with MOSFET Switch
185 Vac
to
270 Vac
RFI
Filter
R1
1.0/5.0 W
C3
1.0 nF/1.0 kV
C4 ... C7
1.0 nF/1000 V
R3
4.7 M
D1 ... D4
1N4007
C1
220
µF
R20
22 k
L2
22.5
C32 220 pF
D8
5.0 W
µ
H
150 V/0.6 A
C31
C17
47 nF
D5
1N4934
R2
68 k/2.0 W
MR856
C30
C33
100
100
µF
µ
F
0.1 µF
C2
220
µF
Sync
D7
M856
L1
1.0 µH
C29 220 pF
C16
R12
30 V/2.0 A
C28
C8 2.2 nF
C9 1.0 nF
100 pF 27 k
9
8
D9
MR852
D6
1N4148
C27
1000
R9 1.0 k
0.1 µF
L
L
p
µF
aux
10
11
12
13
14
15
16
7
6
5
4
3
2
1
R5
1.2 k
C15
1.0 nF
C14
C10 1.0 µF
4.7 nF
C26 220 pF
R7 180 k
14 V/2.0 A
C24
R6
150
R8
15 k
R15
5.6 k
D10
MR852
C25
1000
C11
1.0 nF
µF
0.1 µF
C18
2.2 nF
D12
MR856
MTP6N60E
D15 1N5819
R10 10
R15
22 k
R26
1.0 k
C23 220 pF
7.0 V/2.0 A
C22
R11 39
D11
MR852
R12 22
C21
1000
R14
0.2
R13
1.0 k
R17
22 k
µF
0.1 µF
R18
27 k
R19
10 k
C13
100 nF
R24
270
R23
147.5 k
MOC8101
R21
10 k
C19
100 nF
D14
1N4733
C20
33 nF
TL431
R25
1.0 k
C12
6.8 nF
R22
2.5 k
19
MOTOROLA ANALOG IC DEVICE DATA
ONSEMI [ ONSEMI ]
