DER-98
41W (53W pk) DVR
September 12, 2005
8.3 Materials
Item
Description
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
Core: PC40 EER28L
Bobbin: BEER28L Horizontal
Magnet Wire: #29 AWG
Magnet Wire: #26 AWG
WD#3, CU Foil: see paragraph 8.4.1 for specification
WD#4&5 CU Foil: see paragraph 8.4.2 for specification
Tape: Margin 3 mm
Tape: 3M 1298 Polyester Film, 15.8mm wide
Tape: 3M 1298 Polyester Film, 22mm wide
Teflon Tube
8.4 Transformer Build Diagram
WD#10 Second
Half Primary
1
3
6
5
WD#9 Bias
Margin Tape
11
WD#8 30V O/P
12
10
11
8
WD#6 & WD7 12V
&23V O/P
10
8
7
9
WD#4 & WD#5
3.3V & 5V O/P
1
3
WD#3 Shield
WD#2 First Half
Primary
2
1
WD#1 Cancellation
Figure 5 – Transformer Build Diagram
Power Integrations
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