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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN2690 датащи(PDF) 28 Page - STMicroelectronics |
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AN2690 датащи(HTML) 28 Page - STMicroelectronics |
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28 / 31 page  Transformer specification AN2690 28/31 8 Transformer specification General description and characteristics ● Application type: consumer, home appliance ● Transformer type: open ● Winding type: ayer ● COIL former: horizontal type, 9+9 pins ● Max. temperature rise: 45 °C ● Max. operating ambient temp.: 60 °C ● Mains insulation: acc. with EN60950 ● Unit finishing: varnishing Electrical characteristics ● Converter topology: flyback, CCM/DCM mode ● Core type: EER34 - PC47 ● Min. operating frequency: - ● Typical operating freq: 60 kHz ● Primary inductance: 550 µH ±10% at 1 kHz - 0.25 V (see Note: 1) ● Leakage inductance: 17 µH max at 100 kHz - 0.25 V (see Note: 2) ● Max. peak primary current: 2.65 Apk ● RMS primary current: 0.78 ARMS Note: 1 Measured between pins (2, 3) - (5, 6) 2 Measured between pins (2, 3) - (5, 6) with all secondary windings shorted Electrical diagram and winding characteristics Figure 27. Transformer electrical diagram 8 9 AUX 10-11 15-16 +19V 5 2 PRIM. A 6 3 PRIM. B |
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