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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN2941 датащи(PDF) 33 Page - STMicroelectronics |
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AN2941 датащи(HTML) 33 Page - STMicroelectronics |
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33 / 37 page  AN2941 Transformer specifications Doc ID 15447 Rev 4 33/37 9 Transformer specifications General description and characteristics ● Application type: consumer, home appliances ● Transformer type: open ● Coil former: horizontal type, 9+9 pins ● Max. temp. rise: 45 °C ● Max. operating ambient temperature: 60 °C ● Mains insulation: according to EN60950 ● Unit finishing: varnished Electrical characteristics ● Converter topology: flyback, CCM/DCM mode ● Core type: EER34-PC47 ● Min. operating frequency: 20 kHz ● Typical operating frequency: 100 kHz ● Primary inductance: 550 µH ± 10% at 1 kHz-0.25 V (b) ● Leakage inductance: 17 µH max at 100 kHz-0.25 V (c) ● Peak primary current: 2.65 APK ● RMS primary current: 0.78 ARMS Electrical diagram and winding characteristics Figure 29. Transformer electrical diagram b. Measured between pins (2, 3)-(5, 6) c. Measured between pins (2, 3)-(5, 6) with all secondary windings shorted 8 9 AUX 10‐11 15‐16 +19V 5 2 PRIM. A 6 3 PRIM. B |
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