FS7M0880
3. Application Note using the SPS
-Flyback Application (100W)
HOT
Bridge
Diode
NTC
220uF
/400V
47nF
/630V
47kΩ
/2W
5MΩ
UF4007
0.45uF
/275Vac
Line
Filter
4.7nF 4.7nF
0.45uF
/275Vac
FUSE:
250V2A
47uF
/50V
UF4004
10Ω
31
S/S Vcc Drain
5 KA7M0880
GND FB
24
3.3kΩ
1uF
22nF
/50V
10nF
Q817A
185VAC-265VAC
PRIMARY
GND
MBRF2060CT
30uH
2200uF
/50V
2kΩ
1KΩ 7.6kΩ
Q817A
4.7nF
4.7nF
KA431
0.1uF
1.2kΩ
2kΩ
2200uF
/50V
12V / 9A
DC OUTPUT
Transformer Specification
2. Winding Specification
No.
PIN(S → F)
WIRE
TURNS
WINDING METHOD
NP/2
1→3
0.4 φ × 1
42
SOLENOID WINDING
INSULATION : POLYESTER TAPE t = 0.050mm, 1Layer
N+12V
12 → 13
14mm × 1
8
COPPER WINDING
INSULATION : POLYESTER TAPE t = 0.050mm, 3Layer
NB
8→7
0.3 φ × 1
9
SOLENOID WINDING
INSULATION : POLYESTER TAPE t = 0.050mm, 1Layer
NP/2
3→4
0.4 φ × 1
42
SOLENOID WINDING
OUTER INSULATION : POLYESTER TAPE t = 0.050mm, 3Layer
3. Electical Characteristic
CLOSURE
PIN
INDUCTANCE
1-4
LEAKAGE L
1-4
SPEC.
700uH ±10%
10uH MAX.
REMARKS
1kHz, 1V
2nd ALL SHORT
4. Core & Bobbin
CORE : EER 4042
BOBBIN : EER4042
8