EPR-86 Datasheet, PDF (15/28 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 86 - 6.6 W Multi-Class Powered Device (PD) for Power over Ethernet (PoE) Using DPA-Switch-(DPA423G)

13-Apr-2006
EP-86 – 6.6 W, 3.3 V, 2 A PoE Powered Device
8 Transformer Specification
8.1 Transformer Winding
1
W4: 10T
1 x 34 AWG
2
W1: 10T
1 x 34 AWG
3
4
W2: 8T
1 x 34 AWG
5
9,10
W3: 2 T
2 x 28 AWG
6,7
Figure 10 – Transformer Electrical Diagram.
8.2 Electrical Specifications
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
1 second, 60 Hz, from Pins 1-5 to Pins 6-10
Pins 1-3, all other windings open
Pins 1-3, all other windings open
Pins 1-3, with Pins 6/7-9/10 shorted
8.3 Materials
Item
[1]
[2]
[3]
[4]
[5]
[6]
(optional)
[7]
Description
Core: ER14.5, Ferroxcube 3C96, 3F3 (or equivalent), A_LG = 312 nH/T²
Bobbin: ER14.5, 10 pin
Magnet Wire: #34 AWG, Double Coated (Heavy Nyleze)
Magnet Wire: #28 AWG, Double Coated (Heavy Nyleze)
Tape: 3M 1298 Polyester Film (or equivalent), 1.8 mm wide
Core Clamp ER14.5 Ferroxcube CLM14.5
Varnish (DIPPED ONLY, NOT VACUUM IMPREGNATED)
1500 VDC
120 µH, ±10%
7.5 MHz (Min.)
3.0 µH (Max.)
Page 15 of 28
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