MC44608
The Figure 18 represents a complete power supply using the secondary reconfiguration.
The specification is as follows:
Input source:
3 Outputs
85Vac to 265Vac
112V / 0.45A
16V / 1.5A
8V / 1A
Output power
80W
Stand–by mode
@ Pout = 300mW, 1.3W
R F6
47288900
FI
C20
2N2FY
C11
220 pF
500 V
RFI
FILTER
WIDE
AINS
C1
100 nF
R16
4.7 k
4 kV
D18
MR856
112 V/0.45 A
1
14
C3
1 nF
D1, D2, D3, D4
1N5404
+
C12
C13
100 nF
47
250 V
F
J3
2
12
C5
3
+
C17
120 pF
R7
47 k
R1
22 k
5 W
220
F
16 V/1.5 A
400 V
C4
1 nF
D12
1N4934
C6
47 nF
630 V
1
D6
MR856
R5
J4
2
D5
1N4007
DZ1
MCR22–6
100 k
D9
3
MR852
1
6
7
11
10
8 V/1 A
D7
C14
1000
35 V
+
1N4148
F
1
8
C7
22
I
sense
+
F
2
2
3
4
7
6
5
C16
120 pF
16 V
R19
V
CC
C9
18 k
D13
470 pF
630 V
R2
10
1N4148
D10
MR852
D14
MR856
MTP6N60E
8
Post
Reg.
C8
100 nF
R17
2.2 k
5 W
P
+
C15
R4
3.9 k
1000
F
16 V
9
R3
0.27
R21
R9
100 k
47
OPT1
C18
100 nF
R12
1 k
R10
10 k
C19
33 nF
DZ3
10 V
ON
OFF
R11
4.7 k
DZ2
TL431CLP
R8
2.4 k
ON = Normal Mode
OFF = Pulsed Mode
Figure 17. Typical Application
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