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SG6742MR Datasheet(PDF) 11 Page - Fairchild Semiconductor

Part # SG6742MR
Description  Highly Integrated Green-Mode PWM Controller
Download  13 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

SG6742MR Datasheet(HTML) 11 Page - Fairchild Semiconductor

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© 2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
SG6742ML/MR • Rev. 1.0.4
11
Applications Information
1
2
3
CN1
CN1
F1
C2
+
C4
1
4
BD1
D2
1
Q2
R7
GND
1
FB
2
NC
3
HV
4
RT
5
SENSE
6
VDD
7
GATE
8
U1
SG6742MR
R4
U2
C6
R2
1
3
2
Q1
+
C7
2
1
D3
R9
R11
R10
R8
C11
+
C9
THER1
D4
C12
VZ1
C1
T1
4
2
3
7
8
6
5
T2
VO+
VO-
C3
L1
R5
C10
R6
C5
R1
VO+
R3
1
2
L2
VO+
+
C8
L3
D1
R
U3
Figure 21. 60W Flyback 12V/5A Application Circuit
BOM
Designator
Part Type
Designator
Part Type
BD1
BD 4A/600V
L3
Inductor (900µH)
C1
XC 0.68µF/300V
Q1
STP20-100CT
C2
XC 0.1µF/300V
Q2
MOS 7A/600V
C3
YC 2200pF/Y1
R1
R 100K
Ω 1/2W
C4
EC 120µF/400V
R2
R 47
Ω 1/4W
C5
CC 0.01µF/500V
R3
R 100K
Ω 1/2W
C6
CC 1000pF/100V
R4
R 4.7
Ω 1/8W
C7
EC 1000µF/25V
R5
R 100
Ω 1/8W
C8
EC 470µF/25V
R6, R9
R 4.7K
Ω 1/8W
C9
EC 22µF/50V
R7
R 0.3
Ω 2W
C10
CC 47pF/50V
R8
R 680
Ω 1/8W
C11
CC 2200pF/50V
R10
R 150K
Ω 1/8W
C12
CC 0.01µF/50V
R11
R 39K
Ω 1/8W
D1
Zener Diode 15V 1/2W (option)
THER1
Thermistor TTC104
D2
BYV95C
T1
10mH
D3
FR103
T2
600µH(PQ2620)
D4
1N4007
U1
IC SG6742
F1
FUSE 4A/250V
U2
IC PC817
L1
Inductor (900µH)
U3
IC TL431
L2
Inductor (2µH)
VZ1
VZ 9G


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