AN3339 datasheet(36/44 Pages) STMICROELECTRONICS

Part #	AN3339

Description	185 W power supply with PFC and standby supply for LED TV

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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36 / 44 page

PFC coil specification

AN3339

36/44

Doc ID 18449 Rev 2

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 °C

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Max. operating ambient temperature: 60 °C

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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 53.

PFC coil electrical diagram

Measured between pins 1,2 and 5,6.

Table 4.

PFC coil winding data

Pins

Windings

RMS current

Number of turns

Wire type

8 - 11

AUX

0.05 Arms

3 spaced

φ 0.3 mm - G2

1,2 - 5,6

Primary

2.65 Arms

2x40

φ 0.1 mm - G2

AN3339 Datasheet(PDF) 36 Page - STMicroelectronics

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