File name 445pro.pdfBlock diagram
38
445N
NOTE!
Safety components marked with must be replaced with original or approved components only. All printed boards and the back cover are also safety components.
1
2
PFC
Q104
3 4 5 6 5
DEMA
Q102
3 4 2
R137 4M7
R138 4M7
PTC102 18R
PTC101 18R
1
+T
+T
1
UC7112 D101 GBU4K
C102 4n7 400VAC C101 470n 275V C103 4n7 400VAC
3
M101 FJ0801
4
M102 FJ1841
4 3
NTC101 5R
RE101 QH0074
3 4
2 5
1 6
D115 LL4148 T111 BCR112W D116 1N4148 R151 470R
4
15V
DEMA
-T
Q101
1
2
1
2
R101 1M0
C104 100n 250VAC C105 330u 385V
C106 4n7 400VAC C107 4n7 400VAC
C151 10u 50V
T6.3A H 250V
R107 R104 10k0 470k
R108 470k
POWER1
R139 33k C118 1n0
R124 4k7 D119 LL4148
4
D122 RHRD460S
UC7123
L106 FJ0505
C119 10n
C137 22n 630V R113 47k C109 2n2 UC6879 T101
9,8
13
C135 47p 1kV
R152 470R
C129 2n2 500V UC7123
C128 47u 200V
160V
6V
D124 1N4002 T109 BC369 R148 220R
1
4
R115 10k
C112 4n7
IC101 UC3843A
1 2
COMP
VFB
VREF
VCC
8 7 6 5 C113 1u0
50V
1
2
D103 BYV26C
C108 22n 630V
19
D114 RHRD460S
1
1
R114 10k
R116 6k81 C111 10n 63V
D118 LL4148
3 4
R130 47k
R118 33R C115 10u 50V IRFIB6N60A M104 FM3512
14 C136 100p 1k6V R112 470R
ISENSE
RT/CT
OUTPUT
GND
C127 100u 100V
80V
C146 10u 50V
GND
IC108 7812 IN OUT REF
5V
500V
6,5
UC7123 1
D121 RHRD460S
L104 FJ0505
UC7111
T108 BCR141W
POWER_OFF
4
12V
C147 1u0 50V
C117
330p
R134
100R
C116 100n
18 R119 2k2
1
UC7123
D112 RHRD460S C145 1000u 25V
T102 BC857B
C114 100p
1
D105 1N5818
L101 FJ0448
R117 1k5
R121 0R47
R106 4R7
21
15V
15V
5V
D102 LL4148
17 R153 4k7 C110 100n
R120 0R47 R122 0R47
R156 10k
5V
UVLO
2,4
DZ101 18V D104 LL4148
D106 BAV103 R154 2k2 R110 100k R109 100k
R123 220R
2
15
D120
C126 1000u 25V
DZ102 9V1
L103 FJ0448
R149 10k
T112 BC847B
-12V
BYW98-200 F102
D113
R155 1k5 T113 BC847B
R142 1k0 R143 10k
L102 FJ0448
7
20
6V
T3.15A BYW98-200 C125 2200u 16V
C142 100n 63V
R150 270R
R111 12k1
T103 BCR191
16 IC102 PS2501-1L 1 4
3 2
5V
3 1
C141 1n0 IC107 TL431
2
R146 154k
R141 1k5
T110 BCR141W
R144 33k
R145 2k61
L108 6u8
R127 1k00
IC106 PS2501-1L 4 1 3 2
C122 680p 500V D117 LL4148
R140 1k0
SUSPEND
4
H_FLY
2-4
E101
MECH
L107 n.c. C131 1000u 16V R147 220R C134 n.c. Q103
1 2
PGND
1
UC7123 IC104 TOP223P CONTROLDRAIN S S S S(HVRTN) S(HVRTN) S(HVRTN)
D108 D107 BYV26C P6KE200A
3
5 6 7 8
C121 10u 50V D109
M105 FM2578 C120 10u 400V
9
3
5V OUT
4 R126 10R
C123 10u 50V
7 10 R125 4R7
4 6
1 5
D110 BYV27-200 R131 220R
3 2 1
L105 FJ0448 R133 10k0 R102 10k R105 2k2
5V
C133 100u 25V T106 BC857B D111 1N4148
4
BAV103
R136 2k2
1
C132 100n 63V
ECN 445N28
RESET
3 SMD ELECTROLYTIC POLYCARBONATE POLYESTHER
POLYPROPYLENE
2
SMD SMD 1W 0.25W
0.5W
2W 3W etc. 0.25W NF
0.5W NF
T105 BC807
T104 BCR141W
IC103 PS2501-1L IC105 TL431
3 1
R132 10k0
R103 220k
R135 1k0
C124 10n
R128 470k
R129 470k
POWER2
4
CERAMIC
1W
2
SMA251H
445N SB5249 01.00
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SMD ELECTROLYTIC POLYCARBONATE POLYESTHER R204 1k0 P |