AN3233 datasheet(30/35 Pages) STMICROELECTRONICS

tên linh kiện	AN3233

Giải thích chi tiết về linh kiện	This application note describes the characteristics

PDF	35 Pages

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PFC coil specification

AN3233

30/35

Doc ID 17595 Rev 1

PFC coil specification

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: PQ26/25-PC44 or equivalent

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Min. operating frequency: 40 kHz

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Typical operating frequency: 120 kHz

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Primary inductance: 310 µH±10 % at 1 kHz-0.25 V(a)

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Peak current: 5.6 Apk.

Electrical diagram and winding characteristics

Measured between pins #5 and #9

Figure 25.

PFC coil electrical diagram

Table 7.

PFC coil winding data

Pins

Windings

RMS current

Number of turns

Wire type

11 - 3

AUX

0.05 ARMS

φ 0.28 mm – G2

5 - 9

PRIMARY

2.3 ARMS

50x

φ 0.1 mm – G1

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