DER-60 Datasheet, PDF (10/25 Pages) Power Integrations, Inc. – 8.75 W Power Supply using TNY268P

DER-60
Adapter – TNY268
May 27, 2005
7 Transformer Specification
7.1 Electrical Diagram
T1
EI22
7 10
33
N2 0.25mm *1 / 60T / 2L
10 ₇
Floating ⁷
N3 0.45mm *5 / 3T / 1L
ti₇ng
8⁸
N1 0.25mm *2 / 15T / 1L
9⁹
N4 0.45mm *5 / 3T / 1L
Triple Insulated wire
5₅
Figure 4 – Transformer Electrical Diagram
7.2 Electrical Specifications
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
1 second, 60 Hz, from Pins 1-5 to Pins 6-10
Pins 7-10, all other windings open, measured at
100 kHz, 0.4 VRMS
Pins 7-10, all other windings open
Pin 7-10 with Pin 3-5 shorted, measured at
100 kHz, 0.4 VRMS
7.3 Materials
Item
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
Description
Core: PC40 EI22
Bobbin: EI 22, 10 Pin
Magnet Wire: 0.25mm heavy Nyleaze
Magnet Wire: 0.45mm heavy Nyleaze
Triple Insulated Wire: 0.55mm
Tape: 3M 1298 Polyester Film (yellow) 15mm, 0.26m Thick.
Tape: 3M 1298 Polyester Film (yellow) 10mm, 0.25mm Thick.
Varnish
3000 VAC
1.18mH, -/+10%
1MHz (Min.)
30 µH (Max.)
Page 10 of 25
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