Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSGM0765R • Rev. 1.0.2 13
FSGM0765R — Green-Mode Fairchild Power Switch (FPS™)
2. Transformer
2
3
10
8
N
p
/2
N
14V
N
5V
N
p
/2
1
9
N
a
45
7
N
5V
6
2
BOT
TOP
Barrier tape
8
Figure 25. Schematic of Transformer
3. Winding Specification
Pin (S → F)
Wire Turns Winding Method
Barrier Tape
TOP BOT Ts
N
p
/2 3  2 0.37×1 20 Solenoid Winding 2.0mm 1
Insulation: Polyester Tape t=0.025mm, 2 Layers
N
5V
8  9 0.4×3 (TIW) 3 Solenoid Winding 2.0mm 1
Insulation: Polyester Tape t=0.025mm, 2 Layers
N
14V
10  8 0.4×3 (TIW) 5 Solenoid Winding
Insulation : Polyester Tape t=0.025mm, 2 Layers
N
5V
7  6 0.4×3 (TIW) 3 Solenoid Winding 2.0mm 1
Insulation: Polyester Tape t=0.025mm, 2 Layers
N
a
4  5 0.2×1 6 Solenoid Winding 4.0mm 4.0mm 1
Insulation: Polyester Tape t=0.025mm, 2 Layers
N
p
/2 2  1 0.37×1 20 Solenoid Winding 2.0mm 1
Insulation: Polyester Tape t=0.025mm, 2 Layers
4. Electrical Characteristics
Pin Specification Remark
Inductance 1－3
670μH ± 7%
67kHz, 1V
Leakage 1－3
15μH Maximum
Short All Other Pins
5. Core & Bobbin
 Core: EER3019 (Ae=134.0mm
2
)
 Bobbin: EER3019