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FSCM0765RGWDTU

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
FSCM0765R
13
Typical application circuit
Features
• High efficiency (>81% at 85Vac input)
• Low standby mode power consumption (<1W at 240Vac input and 0.4W load)
• Low component count
• Enhanced system reliability through various protection functions
• Low EMI through frequency modulation
• Internal soft-start (15ms)
Key Design Notes
• Resistors R102 and R105 are employed to prevent start-up at low input voltage
• The delay time for over load protection is designed to be about 50ms with C106 of 47nF. If a faster triggering of OLP is
required, C106 can be reduced to 22nF.
1. Schematic
Figure 23. Demo Circuit
Application Output Power Input Voltage Output Voltage (Max Current)
LCD Monitor 40W
Universal Input
(85-265Vac)
5V (2.0A)
12V (2.5A)
3
4
C102
220nF
275VA
C
LF101
23mH
C101
220nF
275VA
C
RT1
5D-9
F1
FUSE
250V
2A
C103
100uF
400V
R103
56kΩ
2W
C104
2.2nF
1kV
D101
UF 4007
C106
47nF
50V
C105
22uF
50V
D102
TVR10G
R104
5Ω
1
2
3
4
5
T1
EER3016
BD101
2KBP06M3N257
1
2
R101
560kΩ
1W
FSCM0765R
I
limit
Vf
b
Vcc
Drain
GND
1
2
3
4
6
ZD10
1
22V
8
10
D202
MBRF10100
C201
1000uF
25V
C202
1000u
F
25V
L20
1
12V,
2.5A
6
7
D201
MBRF1045
C203
1000uF
10V
C204
1000u
F
10V
L20
2
5V, 2A
R201
1kΩ
R202
1.2kΩ
R204
5.6kΩ
R203
10kΩ
C205
47nF
R205
5.6kΩ
C301
4.7n
F
IC301
H11A817A
IC201
KA431
R102
500kΩ
R105
500kΩ
R106
5kΩ
1/4W
5
N.C
FSCM0765R
14
2. Transformer
Figure 24. Transformer Schematic Diagram
3.Winding Specification
4.Electrical Characteristics
5. Core & Bobbin
Core: EER 3016
Bobbin: EER3016
Ae(mm2): 96
No Pin (s→f) Wire Turns Winding Method
Na 4 → 50.2
φ
× 1 8 Center Winding
Insulation: Polyester Tape t = 0.050mm, 2Layers
Np/2 2 → 10.4
φ
× 1 18 Solenoid Winding
Insulation: Polyester Tape t = 0.050mm, 2Layers
N
12V
10 → 80.3
φ
× 3 7 Center Winding
Insulation: Polyester Tape t = 0.050mm, 2Layers
N5V 7 → 60.3
φ
× 3 3 Center Winding
Insulation: Polyester Tape t = 0.050mm, 2Layers
Np/2 3 → 20.4
φ
× 1 18 Solenoid Winding
Outer Insulation: Polyester Tape t = 0.050mm, 2Layers
Pin Specification Remarks
Inductance 1 - 3 520uH ± 10% 100kHz, 1V
Leakage Inductance 1 - 3 10uH Max 2
nd
all Short
EER3016
N
p
/2 N
12V
N
a
1
2
3
4
5
6
7
8
9
10
N
p
/2
N
5V
FSCM0765R
15
6. Demo Circuit Part List
Part Value Note Part Value Note
Fuse C301 4.7nF Polyester Film Cap.
F101 2A/250V
NTC Inductor
RT101 5D-9 L201 5uH Wire 1.2mm
Resistor L202 5uH Wire 1.2mm
R101 560K 1W
R102 500K 1/4W
R103 56K 2W
R104 5 1/4W Diode
R105 500K 1/4W D101 UF4007
R106 5K 1/4W D102 TVR10G
R201 1K 1/4W D201 MBRF1045
R202 10K 1/4W D202 MBRF10100
R203 1.2K 1/4W
R204 5.6K 1/4W
R205 5.6K 1/4W Bridge Diode
BD101 2KBP06M 3N257 Bridge Diode
Capacitor
C101 220nF/275VAC Box Capacitor Line Filter
C102 220nF/275VAC Box Capacitor LF101 23mH Wire 0.4mm
C103 100uF/400V Electrolytic Capacitor IC
C104 10nF/1kV Ceramic Capacitor IC101 FSCM0765R FPS
TM
C105 22uF/50V Electrolytic Capacitor IC201 KA431(TL431) Voltage Reference
C106 47nF/50V Ceramic Capacitor IC301 H11A817A Opto-coupler
C201 1000uF/25V Electrolytic Capacitor
C202 1000uF/25V Electrolytic Capacitor
C203 1000uF/10V Electrolytic Capacitor
C204 1000uF/10V Electrolytic Capacitor
C205 47nF/50V Ceramic Capacitor
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

FSCM0765RGWDTU

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Manufacturer:
ON Semiconductor
Description:
IC SWIT PWM GREEN CM HV TO220
Lifecycle:
New from this manufacturer.
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