07-May-2004
EPR-54 – LinkSwitch 2.75 W Low Cost Charger / Adapter
11.4 Transformer Specification
11.4.1 Transformer Winding
5
38 T
WD #1
WD #3
WD #2
#33 AWG
7
4
WD #4
Floating
12 T #26 TIW
6
11T #28X2
Secondary
3
1
Primary
110 T #33 AWG
2
Figure 27 – Transformer Electrical Diagram,
Alternate EE16.
11.4.2 Electrical Specifications
Electrical Strength
60Hz 1minute, from Pins 1-5 to
3000 VAC
Pins 6-7
Primary Inductance
(Pin 1 to Pin 3)
All windings open
2.73 mH +/- 10%
Resonant Frequency
Primary Leakage
Inductance
All windings open
Pins 6-7 shorted
510 kHz (Min.)
60 µH (Max.)
Power Integrations
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