EPR-32 Datasheet, PDF (12/36 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-32 − TOPSwitch-GX 25 W Multiple Output DVD, Set-top Box Power Supply Using TOP245P

EPR-32 - 25 W Multiple Output TOP245P Supply
13-Jul-06
7 Transformer Specification
7.1 Electrical Diagram
1
W2
Primary
63T
4
7
W3
Bias
5
NC
W1
Shield 1
1
6T
32T
8
4T
12
W8
+12 V
NC
4T
W4
Shield 2
13
1T
9
W6
+5 V
W5
2T
+3.3 V
10, 11
W7
13T
-24 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 through 7
to pins 8 through 14
Pin 1 to pin 4, all other windings open, measured
at 132 kHz, 1 V RMS excitation
Pin 1 to pin 4, all other windings open,
1 V RMS excitation
Pin 1 to pin 4, with pins 8 thru 14 shorted,
measured at 132 kHz, 1 V RMS
3000 VAC
800 µH, +/-10%
300 kHz (min.)
80 µH (max.)
Power Integrations
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