AN3329 datasheet(39/47 Pages) STMICROELECTRONICS

No. de pieza	AN3329

Descripción Electrónicos	This application note describes the characteristics and features

PDF	47 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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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

AN3329 Datasheet(PDF) 39 Page - STMicroelectronics

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