07-May-2004
EPR-54 – LinkSwitch 2.75 W Low Cost Charger / Adapter
7.4 Transformer Build Diagram
2.0 mm Barrier Tape 2.25 mm Barrier Tape
Shield & Bias
#31 26T
4 Layers
4 Layers
2 layer Tape
1st layer: 14T
5
4
2 layer Tape
Secondary
#30 TIW 8T
6
7
2.0 mm
Wrapped
Barrier Tape
Copper Foil
4 layer each
4
1
1 layer Tape
2
Sheild
#32 33T
4 layer
Tape
3
Figure 6a – Transformer Build Diagram.
KEY:
= Electrical phasing
= Mechanical start; reversed winding direction or same winding direction with
bobbin rotated.
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