FSCQ1565RT Fairchild Semiconductor, FSCQ1565RT Datasheet - Page 31

• Manufacturer Part Number: FSCQ1565RT
• Description: A Quasi-Resonant Converter (QRC) typically shows lower EMI and higher power conversion efficiency compared to conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSCQ-Series Rev. 1.1.2
2. Transformer Schematic Diagram
3. Winding Specification
4. Electrical Characteristics
5. Core & Bobbin
Core: EER4042
Bobbin: EER4042(18Pin)
Ae: 153 mm
Inductance
Leakage Inductance
N
N
N
N
140V/2
140V/2
N
N
N
No
N
8.5V
15V
24
p1
p2
N
N
N
a
p1
p2
a
6
1
2
3
4
5
7
8
9
2
EER4042
Pin (s f)
18–17
16–15
15–14
12–13
11–10
1–3
3–4
7–6
18
16
12
17
15
14
13
11
10
N
N
N
N
N
24V
140V
140V
8.5V
15V
/2
/2
Pin
1–4
1–4
0.1
0.1
0.1
0.1
0.65
0.6
0.6
0.3
Wire
10
10
10
10
1
1
2
2
2
2
2
31
Specification
315µH ± 5%
Turns
10µH Max
20
23
20
22
13
8
3
6
N
N
N
140V
140V
N
N
N
N
N
8.5V
15V
24V
P2
P1
a
/ 2
/ 2
Winding Method
Center Winding
Center Winding
Center Winding
Center Winding
Space Winding
Space Winding
Space Winding
Space Winding
2nd all short
Remarks
1kHz, 1V
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