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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN2852 датащи(PDF) 29 Page - STMicroelectronics |
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AN2852 датащи(HTML) 29 Page - STMicroelectronics |
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29 / 35 page  AN2852 PFC coil specifications 29/35 7 PFC coil specifications ● Application type: consumer, IT ● Transformer type: open ● Coil former: vertical type, 6+6 pins ● Max. temp. rise: 45°C ● Max. operating ambient temp.: 60°C ● Mains insulation: N.A. 7.1 Electrical characteristics ● Converter topology: boost, transition mode ● Core type: RM14 - N87 or equivalent ● Min. operating frequency: 20 kHz ● Primary inductance: 700 µH 10% at 1 kHz - 0.25 V (see Note 1) ● Peak primary current: 3.5 Apk ● RMS primary current: 1.25 ARMS. Note: 1 measured between pins 3-5 Figure 28. Electrical diagram Table 9. Winding characteristics Pins Winding RMS current Nr. of turns Wire type 3 – 5 Primary 1.25 ARMS 53 Stranded 7 x Ø 0.28 mm – G2 8 – 10 AUX (1) 1. Auxiliary winding is wound on top of primary winding 0.05 ARMS 4 spaced Ø 0.28 mm – G2 AM01843v1 AUX PRIM 5 3 8 10 |
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