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AN3329 Datasheet(PDF) 39 Page - STMicroelectronics

Part # AN3329
Description  This application note describes the characteristics and features
PDF  47 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3329 Datasheet(HTML) 39 Page - STMicroelectronics

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AN3329
PFC coil specifications
Doc ID 18376 Rev 1
39/47
7
PFC coil specifications
General description and characteristics
●
Application type: consumer, home appliance
●
Transformer type: open
●
Coil former: vertical type, 6+6 pins
●
Max. temp. rise: 45 ºC
●
Max. operating ambient temperature: 60 ºC
●
Mains insulation: n.a.
●
Unit finishing: varnished
Electrical characteristics
●
Converter topology: boost, transition mode
●
Core type: PQ32/20-PC44 or equivalent
●
Min. operating frequency: 30 kHz
●
Typical operating frequency: 120 kHz
●
Primary inductance: 240 µH ± 15 % at 1 kHz - 0.25 V (a)
Electrical diagram and winding characteristics
Figure 62.
PFC coil electrical diagram
a.
Measured between pins 1,2 and 5,6.
Table 3.
PFC coil winding data
Pins
Windings
RMS current
Number of turns
Wire type
8 - 11
AUX
0.05 Arms
3
φ 0.3 mm - G2
1,2 - 5,6
Primary
2.65 Arms
28
2x40
φ 0.1 mm - G2



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