DER-37
16W Adapter using TOP245P
April 27, 2004
7 Transformer Specification
7.1 Electrical Diagram
FLOAT 1 (8)
WDG4
4
WDG2
59T 31 AWG
5T 26 AWG T.I.W. X4
FLOAT 2 (5)
3
4
WDG3
2 1/2T CU FOIL
(REVERSE)
nc
2
WDG1
10T 36 AWG
1
Figure 4 –Transformer Electrical Diagram
7.2 Electrical Specifications
Electrical Strength
1 second, 60 Hz, from Pins 1-4 to Pins FLOAT 1-2
Pins 3-4, all other windings open, measured at
100 kHz, 0.4 VRMS
Pins 3-4, all other windings open
Pins 3-4, with Pins FLOAT 1&2 shorted,
measured at 100 kHz, 0.4 VRMS
3000 VAC
750 µH, -0/+20%
1000 kHz (Min.)
15 µH (Max.)
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
Power Integrations
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