AN3233 datasheet(32/35 Pages) STMICROELECTRONICS

부품명	AN3233

상세설명	This application note describes the characteristics

PDF	35 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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32 / 35 page

Transformer specifications

AN3233

32/35

Doc ID 17595 Rev 1

Transformer 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: horizontal type, 7+7 pins, two slots

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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: Acc. With EN60065.

Electrical characteristics

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Converter topology: half bridge, resonant

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Core type: ETD34-PC44 or equivalent

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Min. operating frequency: 60 kHz

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Typical operating frequency: 100 kHz

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Primary inductance: 800 µH ±10 % at 1 kHz-0.25 V(b)

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Leakage inductance: 100 µH ±10 % at 100 kHz-0.25 V(c).

Electrical diagram and winding characteristics

Measured between pins 2-4

Measured between pins 2-4 with only half secondary winding shorted at time

Figure 27.

Transformer electrical diagram

AN3233 데이터시트(PDF) 32 Page - STMicroelectronics