Datasheet

PFC coil specification AN3172
26/31 Doc ID 17230 Rev 1
8 PFC coil specification
General description and characteristics:
● Application type: consumer, home appliances
● 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: PQ26/20-PC44 or equivalent
● Min. operating frequency: 40 kHz
● Typical operating frequency: 120 kHz
● Primary inductance: 520 µH±15 % at 1 kHz-0.25 V
Electrical diagram and winding characteristics:
Figure 20. PFC coil electrical diagram
Table 5. PFC coil winding data
Pins Windings DC resistance Number of turns Wire type
11 - 3 AUX 125 mΩ 5.5
φ 0.28 mm – G2
5 - 9 PRIMARY 267 mΩ 57.5 30xφ 0.1 mm – G1
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