AN3329 datasheet(39/47 Pages) STMICROELECTRONICS

Teilenummer	AN3329

Bauteilbeschribung	This application note describes the characteristics and features

PDF	47 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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39 / 47 page

AN3329

PFC coil specifications

Doc ID 18376 Rev 1

39/47

PFC coil specifications

General description and characteristics

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Application type: consumer, home appliance

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Transformer type: open

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Coil former: vertical type, 6+6 pins

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Max. temp. rise: 45 ºC

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Max. operating ambient temperature: 60 ºC

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Mains insulation: n.a.

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Unit finishing: varnished

Electrical characteristics

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Converter topology: boost, transition mode

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Core type: PQ32/20-PC44 or equivalent

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Min. operating frequency: 30 kHz

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Typical operating frequency: 120 kHz

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Primary inductance: 240 µH ± 15 % at 1 kHz - 0.25 V (a)

Electrical diagram and winding characteristics

Figure 62.

PFC coil electrical diagram

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

φ 0.3 mm - G2

1,2 - 5,6

Primary

2.65 Arms

2x40

φ 0.1 mm - G2

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