DER-94
LCD Monitor Internal Supply
September 12, 2005
7 Transformer Specification
7.1 Electrical Diagram
4
WDG#5
24T
10
WDG #3
4T
27AWG
2 X 23 AWG
1
6,7
8,9
WDG#1
25T
27 AWG
WDG #4
3T
3 X 23 AWG
2
WDG#2
7T
2X 27AWG
Figure 5 –Transformer Electrical Diagram
7.2 Electrical Specifications
Electrical Strength
60Hz 1 second, from Pins 1-5 to
3000 VAC
Pins 6-10
Creepage
Primary Inductance
Between Pins 1-5 and Pins 6-10
Pins 1-2, all other windings open,
measured at 10KHz, 0.4VRMS
6 mm (Min.)
594 µH,
10%
Resonant Frequency
Pins 1-2, all other windings open,
measured at 10KHz, 0.4VRMS
Pins 1-2, with Pins 6-10 shorted,
measured at 10KHz, 0.4V RMS
2
MHz (Min.)
15 µH
(Max.)
Primary Leakage
Inductance
Power Integrations
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