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AN3339 датащи(PDF) 41 Page - STMicroelectronics

номер детали AN3339
подробное описание детали  185 W power supply with PFC and standby supply for LED TV
PDF  44 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3339 датащи(HTML) 41 Page - STMicroelectronics

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AN3339
Flyback transformer specification
Doc ID 18449 Rev 2
41/44
10
Flyback transformer specification
General description and characteristics
●
Application type: consumer, home appliance
●
Transformer type: open
●
Coil former: horizontal type, 5+4 pins
●
Max. temp. rise: 45 °C
●
Max. operating ambient temperature: 60 °C
●
Mains insulation: acc. to EN60065
Electrical characteristics
●
Converter topology: fixed frequency flyback
●
Core type: E20-PC44 or equivalent
●
Typical operating frequency: 60 kHz
●
Primary inductance: 2.38 mH±15 % at 1 kHz-0.25 V(d)
●
Leakage inductance:
<30 µH at 100 kHz-0.25 V(e)
Electrical diagram and winding characteristics
Figure 57.
Flyback transformer electrical diagram
d.
Measured between pins 2-4.
e.
Measured between pins 2-4 shorting pins 12, 9, 11, 13, 14.
Table 6.
Transformer winding data
Pins
Winding
RMS current
Number of turns
Wire type
4 - 5
Primary
0.17 Arms(1)
93
φ 0.224 mm - G2
2 - 1
Aux
0.05 Arms
18 spaced
φ 0.224 mm - G2
6 - 8
Secondary A
1.3 Arms
6
φ 0.7 mm - TIW
7 - 9
Secondary B
1.3 Arms
6
φ 0.7 mm - TIW



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