DER-57
Industrial – LNK501P
April 20, 2005
7.1 Transformer Winding
3
WDG # 2
Shield
2 X 18 T # 30 AWG
5
6
WDG # 1
22 T # 32 T.I.W
4
4
WDG # 3
Primary
99 T # 36 AWG
1
Figure 4 – Transformer Winding Diagram
7.2 Electrical Specifications
Electrical Strength
Primary Inductance
Resonant Frequency
Leakage Inductance
60Hz 1 minute, from Pins 1-4 to Pins 5-8 3 kV for 1 minute
All windings open
2.3mH –0%, +20%
300 kHz min.
50µH max.
All windings open
L13 with pins 5-6 shorted
7.3 Materials
Item
[1]
[2]
[3]
[4]
[5]
[6]
[7]
Description
Core: EE16, Gapped for AL = Nominal - 200 nH/T2
Bobbin: Vertical 10 pins
Magnet Wire: # 30 AWG
Magnet Wire: # 36 AWG
Magnet Wire: # 32 AWG Triple-Insulated
Tape: 3M 1298 Polyester Film (white)
Varnish
Design Notes:
Power Integrations Device
Frequency of Operation
Mode
42 kHz
Discontinuous
0.075 Arms
Primary Current
Reflected Voltage (Secondary to Primary) 60 V
Maximum DC Input Voltage
Minimum DC Input Voltage
200 V
111 V
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
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