Datasheet

PFC coil specification AN2994
34/38 Doc ID 15796 Rev 2
8 PFC coil specification
8.1 General description and characteristics
● Application types: consumer, home appliances
● Inductor type: open
● Coil former: vertical type, 6 + 6 pins
● Maximum temperature rise: 45 °C
● Maximum operating ambient temperature: 60 °C
8.2 Electrical characteristics
● Converter topology: boost PFC pre-regulator, FOT control
● Core type: PQ40-30 material grade PC44 or equivalent
● Maximum operating frequency: 100 kHz
● Primary inductance: 500 H 10% at 1 kHz - 0.25 V
(a)
●
Primary RMS current 4.75 A
Figure 44. Electrical diagram
a. Measured between pins 1-2 and 5-6.
Table 3. Winding characteristics
Start pins End pins Number of turns Wire type Wire diameter Notes
11 8 5 (spaced) Single 0.28Ø Bottom
5 - 6 1 - 2 65 Multistrand – G2 Litz 0.2Ø x 30 Top
1 - 2
5 - 6 11
8
Primary Auxiliary