DER-94
LCD Monitor Internal Supply
September 12, 2005
7.3 Materials
Item
[1]
Description
Core: 1 Pair EER28 Nippon Ceramic NC-2H or equivalent.
Gapped for A
L
of 247 nH/T2
[2]
[3]
[4]
[5]
[6]
[7]
Bobbin: 10 pin EER28, Horizontal Low Profile Pin Shine P-2834
Magnet Wire: #27AWG Solderable Double Coated
Magnet Wire: #23AWG Solderable Double Coated
Tape, 3M # 1298 or equiv. 17 mm wide
Tape, 3M #1298 or equiv. 11 mm wide
Tape, Polyester Web, 3M #44 or equivalent, 3mm wide
(minimum)
[8]
[9]
[10]
Teflon Sleeving, 0.4mm wall thickness, 24 ga
Teflon Sleeving, 0.4mm wall thickness, 22 ga
Varnish
7.4 Transformer Build Diagram
4
1
½ Primary
8,9
6,7
6,7
Secondaries
Tape
10
3
2
Bias
1
5
½ Primary
Figure 6 – Transformer Build Diagram
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
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