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