KA3504 데이터 시트보기 (PDF) - Fairchild Semiconductor
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KA3504 Datasheet PDF : 12 Pages
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KA3504
Application Circuit
B+
1
Q2
R27
C103
2
TX1
L2
L1
V12
D5
D6
C104
F1
SW2
C105
C106
L4
P
2
3
L3
V5
C109
D7
C107
C108
C110 TX2
1
Q3
L6
C112
R28
C111
L5
V33
2
D8
C113
C114
N
C115
R30
B+
1
2
1
D11 R32
10 TX4 2
1
2
R33
D9
D10
TX3
Vcc
Lp1
Ls
D12
C116
Q4
3
C1
8,9
1
2
Vcc1
C118
C119
M1
PWM
7
5
IC
Q5
C2
R39
1
21
2
6
1
D13 R38
R41
C122
U4
1
16
R29
VS33 IS33
2
15
R31
VS5 IS5
3
14
R34
VS12 IS12
4
C117
PGI
Tprot 13
5 Vcc GND 12
6
R35
FPO
RI 11
7
C120
PSON
Tpg 10
PGO
8 Tpson PGO 9
R36
Vcc
R37
C121
R40
FAN3504
PSON
D14
C124
D15
Vcc
2
1
U5
R42 C123
R43
FB
Vref
R44
Q6 C125 R45
FPO
U6
1
16
EA1(+) EA2(+)
2
15
EA1(-) EA2(-)
3
14
COMP Vref
4 DTC
OC 13
5 Ct
Vcc 12
1
R51
1
C126 R52
6 Rt
7 GND
C2 11
E2 10
8 C1
E1 9
2
2
KA7500
C1
C2
2
Vref
R46
R47
C127
RT2
R53
1
2
Vcc
R54
1
2
R56
FPO
V33 V12 V5
R48
FB
R49 R50
R55
10
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