Datasheet

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 2x40φ 0.1 mm - G2
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