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AN3032 Datasheet(PDF) 3 Page - STMicroelectronics |
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AN3032 Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 26 page ![]() AN3032 List of figures Doc ID 16165 Rev 2 3/26 List of figures Figure 1. 2 x 58 W T8 ballast demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Electronic lamp ballast capacitor-to-ground configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3. Electronic lamp ballast lamp-to-ground configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 4. Dual lamp ballast series configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 5. Dual lamp ballast parallel configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 6. Electrical schematic 2 x 58 W T8 - main wide range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 7. EOL circuit for first lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 8. L6585DE start-up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 9. One lamp ignition phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 10. Low-side current in run mode condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 11. Lamp voltage and current in run mode condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 12. Run mode, rectifying effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 13. Ignition phase with a broken lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 14. Conducted emissions at 110 Vac 50 Hz - line 1 peak detector . . . . . . . . . . . . . . . . . . . . . 17 Figure 15. Conducted emissions at 110 Vac 50 Hz - line 2 peak detector . . . . . . . . . . . . . . . . . . . . . 18 Figure 16. Conducted emissions at 230 Vac 50 Hz - line 1 peak detector . . . . . . . . . . . . . . . . . . . . . 18 Figure 17. Conducted emissions at 230 Vac 50 Hz - line 2 peak detector . . . . . . . . . . . . . . . . . . . . . 18 Figure 18. Connecting two lamps to the ballast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 19. Automatic restart circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 |
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