General circuit description

AN1344

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2.1

Transformer construction

Figure 3.

Cross section of the transformer

The transformer is wound with a split primary to reduce leakage inductance and minimize

the snubbing needed. The auxiliary winding is placed on the outside to achieve the coupling

needed for the current limiting function.

Figure 4.

PC board top legend and bottom foil (112 mm X 83 mm single sided)