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EPR-29 Datasheet, PDF (10/36 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-29 - Multiple Output 11 W (15.5 W peak) AC-DC Power Supply using TNY268P
EPR-29 – 4 Output, 11 W, Universal Input, DVD Supply
7 Transformer Specification
7.1 Electrical Diagram
1
W2
Primary
64T x 2
4
W3
Bias
6
6T x 4
7
W1
Shield 1
NC
32T x 2
5
W4
Shield 2
7
4T x 4
NC
8
4T x 4
13
1T
9
2T
W5
+12 V
W7
+5 V
W6
+3.3 V
11, 12
7T x 4
W8
-12 V
14
Figure 4 –Transformer Electrical Diagram.
7.2 Electrical Specifications
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
1 second, 60 Hz, from pins 1-7 to pins 8-14
Pins 1-4, all other windings open.
Measured at 132 kHz, 1 V RMS
Pin 1-4, all other windings open
Pins 1-4, with pins 8-14 shorted.
Measured at 132 kHz, 1 V RMS
07-July-03
3000 VAC
1.33 mH
-0 / +15%
300 kHz (Min.)
30 µH (Max.)
Power Integrations, Inc.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
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