DAK-18 Power Integrations, DAK-18 Datasheet - Page 12

• Manufacturer Part Number: DAK-18
• Description: KIT DESIGN ACCELERATOR MODEM
• Manufacturer: Power Integrations
• Type: Design Accelerator Kit (DAK)r

Specifications of DAK-18

• Contents: Power Supply, Samples, PCB, Software and Documentation
• For Use With/related Products: TOP234P
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1002

10 W, Multiple Output, Isolated Power Supply
7.3 Transformer Build Diagram
7.4 Transformer Construction
Double Primary
Tape Insulation
Tape Insulation
Tape Insulation
Tape Insulation
Final Assembly
3.3 V Winding
Bias Winding
30 V Winding
5 V Winding
Shield
Layer
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
Start at Pin 1. Wind 15 turns of item [3], bifilar parallel, from left to right, over entire
length of the bobbin. Finish on Pin 3.
1 Layer of tape [5] for insulation
Start at Pin 2. Wind 30 turns of item [3] from left to right over entire length of the
bobbin. Apply 2 layers of tape, item [5], for spacing. Wind remaining 28 turns in the
next layer from right to left, over entire length of the bobbin. Finish on Pin 1.
1 Layer of tape [5] for insulation.
Start at Pin 5. Wind 7 turns parallel trifilar of item [3] from left to right, uniformly over
entire width of bobbin. Finish on Pin 4.
6 Layers of tape [5] for spacing.
Start at Pin 6. Wind 2 turns parallel trifilar of item [4] from left to right, uniformly over
entire width of bobbin. Finish on Pin 7. Secure turns with 1 layer of tape.
Start at Pin 9. Wind 1 turn of item [4] from left to right over entire width of bobbin.
Finish on Pin 6. Secure turns with 1 layer of tape.
Start at Pin 10. Wind 13 of item [4] from left to right uniformly, over entire width of
bobbin. Finish on Pin 9.
3 Layers of tape [5] for insulation.
Assemble core with the “I” side on top. Secure core. Dip varnish the transformer
[6].
Figure 5 – EP18 Transformer Build Diagram.
05-Dec-2002
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