Data Sheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSQ-Series • Rev. 1.1.3 20
FSCQ-Series — Green Mode Fairchild Power Switch (FPS™)
FSCQ0565RT Typical Application Circuit (Continued)
EER3540
N
24V
N
a
7
13
14
15
16
17
18
N
125V
/2
N
12V
N
18V
N
p1
N
p2
1
2
3
4
5
6
8
9 10
11
12
N
125V
/2
N
125V
/2
N
p2
N
12V
N
125V
/2
N
24V
N
p1
N
18V
N
a
Figure 40. Transformer Schematic Diagram
Winding Specification
No
Pin (s→f)
Wire
Turns
Winding Method
N
p1
1–3
0.5φ × 1
32
Center Winding
N
125V
/2
16–15
0.5φ × 1
32
Center Winding
N
24V
18–17
0.4φ × 2
13
Center Winding
N
12V
12–13
0.5φ × 2
7
Center Winding
N
p2
3–4
0.5φ × 1
32
Center Winding
N
125V
/2
15–14
0.5φ × 1
32
Center Winding
N
18V
11–10
0.4φ × 2
10
Center Winding
N
a
7–6
0.3φ × 1
20
Center Winding
Electrical Characteristics
Pin
Specification
Remarks
Inductance
1–3
740 μH ±5%
1 kHz, 1 V
Leakage Inductance
1–3
10 μH Max.
2nd all short
Core & Bobbin
 Core: EER3540
 Bobbin: EER3540
 Ae: 107 mm
2