데이터 시트 (EVALHVLED815W10)차례Table 1. Device summary11 Principle application circuit and block diagram41.1 Principle application circuit4Figure 1. Application circuit for high power factor LED driver - single range input4Figure 2. Application circuit for standard LED driver51.2 Block diagram6Figure 3. Block diagram62 Pin description and connection diagrams7Figure 4. Pin connection (top view)72.1 Pin description7Table 2. Pin description72.2 Thermal data8Table 3. Thermal data83 Electrical specifications93.1 Absolute maximum ratings9Table 4. Absolute maximum ratings93.2 Electrical characteristics9Table 5. Electrical characteristics9Figure 5. OFF-state drain and source current test circuit11Figure 6. COSS output capacitance variation12Figure 7. Startup current test circuit12Figure 8. Quiescent current test circuit12Figure 9. Operating supply current test circuit13Figure 10. Quiescent current during fault test circuit134 Device description144.1 Application information14Figure 11. Multi-mode operation of HVLED815PF (constant voltage operation)154.2 Power section and gate driver154.3 High voltage startup generator16Figure 12. High voltage start-up generator: internal schematic16Figure 13. Timing diagram: normal power-up and power-down sequences174.4 Secondary side demagnetization detection and triggering block17Figure 14. DMG block, triggering block17Figure 15. Drain ringing cycle skipping as the load is progressively reduced184.5 Constant current operation19Figure 16. Current control principle19Figure 17. Constant current operation: switching cycle waveforms194.6 Constant voltage operation21Figure 18. Voltage control principle: internal schematic224.7 Voltage feedforward block22Figure 19. Feedforward compensation: internal schematic234.8 Burst mode operation at no load or very light load24Figure 20. Load-dependent operating modes: timing diagrams254.9 Soft-start and starter block254.10 Hiccup mode OCP25Figure 21. Hiccup mode OCP: timing diagram264.11 High power factor implementation26Figure 22. High power factor implementation connection - single range input274.12 Layout recommendations29Figure 23. Suggested routing for the LED driver305 Package information31Figure 24. SO16N package outline31Table 6. SO16N package mechanical data32Figure 25. SO16N recommended footprint (dimensions are in mm)326 Revision history33Table 7. Document revision history33크기: 1.91메가바이트페이지: 34Language: English매뉴얼 열기
