FSCQ Datasheet, PDF (30/44 Pages) Fairchild Semiconductor – Green Mode Fairchild Power Switch (FPS)

FSCQ-SERIES
2. Transformer Schematic Diagram
N_p1 ¹
2
3
N_p2
4
5
6
7
N_a
8
9
EER4042
18
N_24V
17
16
N_140V/2
15
14 ^N140V/2
13
N_8.5V
12
11
10 ^N15V
N_a
N_15V
N_8.5V
N_140V/2
N_P2
N_140V/2
N_P1
N_24V
3.Winding Specification
No
N24
Np1
N140V/2
Np2
N140V/2
N8.5V
N15V
Na
Pin (s→f)
18 - 17
1-3
16 - 15
3-4
15 - 14
12 - 13
11 - 10
7-6
4.Electrical Characteristics
Inductance
Leakage Inductance
5. Core & Bobbin
Core : EER4042
Bobbin : EER4042(18Pin)
Ae : 153 mm²
Wire
0.65^φ × 2
0.1^φ × 10 × 2
0.1^φ × 10 × 2
0.1^φ × 10 × 2
0.1^φ × 10 × 2
0.6^φ × 1
0.6^φ × 1
0.3^φ × 1
Turns
8
20
23
20
22
3
6
13
Winding Method
Space Winding
Center Winding
Center Winding
Center Winding
Center Winding
Space Winding
Space Winding
Space Winding
Pin
1-4
1-4
Specification
315uH ± 5%
10uH Max
Remarks
1kHz, 1V
2^nd all short
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