EPR-12 Datasheet, PDF (18/40 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-12 - 145 W PC Forward Converter with TOP247 and 10 W 5 V Output Standby Flyback with TNY266

EPR-12 – PC Forward Converter with Standby Flyback Power Supply
01-Feb-05
7 Transformer Specification
7.1 145 W Forward Transformer
Figure 8 - EP-12 145 W Forward Transformer.
7.1.1 Electrical Specifications
Electrical strength
Primary Inductance
Resonant Frequency
Primary leakage inductance
60 Hz, 1 min, from Pins 1-7 to Pins 10-14
All windings open
All windings open
Pins 6-14 shorted
3000 VAC
4.5 mH or Higher
0.2 MHz minimum
8 µH maximum
7.1.2 Materials
Item
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[2]
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Core: PC40 EER28L
Description
Bobbin: BEER28L-1114CPH
Magnet Wire: #28 AWG Heavy Nyleze
Magnet Wire: #30 AWG Heavy Nyleze
Magnet Wire: #20 AWG Heavy Nyleze
Copper ribbon .670″ x .008″
Tape: 3M 1298 Polyester Film (white) 21.8 mm wide by 2.2 mils thick
Tape: 3M 1298 Polyester Film (white) 15.8 mm wide by 2.2 mils thick
Tape: 3M 44 Margin tape (cream) 3.0 mm wide by 5.5 mils thick
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com
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