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HVLED807PF 数据表(PDF) 3 Page - STMicroelectronics |
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HVLED807PF 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 36 page ![]() HVLED807PF List of figures Doc ID 023464 Rev 5 3/36 List of figures Figure 1. Application circuit for high power factor LED driver - single range input. . . . . . . . . . . . . . . . 4 Figure 2. Application circuit for standard LED driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 3. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 4. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 5. OFF-state drain and source current test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 6. COSS output capacitance variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 7. Startup current test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 8. Quiescent current test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 9. Operating supply current test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 10. Quiescent current during fault test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 11. Multi-mode operation of HVLED807PF (constant voltage operation) . . . . . . . . . . . . . . . . . 16 Figure 12. High-voltage start-up generator: internal schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 13. Timing diagram: normal power-up and power-down sequences . . . . . . . . . . . . . . . . . . . . 18 Figure 14. DMG block, triggering block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 15. Drain ringing cycle skipping as the load is progressively reduced . . . . . . . . . . . . . . . . . . . 19 Figure 16. Current control principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 17. Constant current operation: switching cycle waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 18. Voltage control principle: internal schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 19. Feed-forward compensation: internal schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 20. Load-dependent operating modes: timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 21. Hiccup-mode OCP: timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 22. High power factor implementation connection - single range input . . . . . . . . . . . . . . . . . . 28 Figure 23. Suggested routing for the led driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 24. SO16N mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 25. SO16N drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 26. SO16N recommended footprint (dimensions are in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . 34 |
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