Data Sheet (EVLALTAIR900-M1)Table of ContentsFigure 1. Block diagram11 Device description32 Pin connection4Figure 2. Pin connection (top view)4Table 1. Pin functions43 Maximum ratings63.1 Absolute maximum ratings6Table 2. Absolute maximum ratings63.2 Thermal data6Table 3. Thermal data64 Electrical characteristics7Table 4. Electrical characteristics7Figure 3. COSS Output capacitance variation9Figure 4. Off state drain and source current test circuit9Figure 5. Start-up current test circuit9Figure 6. Quiescent current test circuit10Figure 7. Operating supply current test circuit10Figure 8. Quiescent current during fault test circuit105 Application information11Figure 9. Multi-mode operation of ALTAIR04-900115.1 Power section and gate driver125.2 High voltage startup generator12Figure 10. Timing diagram: normal power-up and power-down sequences135.3 Zero current detection and triggering block13Figure 11. ZCD block, triggering block13Figure 12. Drain ringing cycle skipping as the load is progressively reduced145.4 Constant voltage operation15Figure 13. Voltage control principle: internal schematic155.5 Constant current operation16Figure 14. Current control principle16Figure 15. Constant current operation: Switching cycle waveforms175.6 Voltage feedforward block17Figure 16. Feedforward compensation: internal schematic185.7 Burst-mode operation at no load or very light load18Figure 17. Load-dependent operating modes: timing diagrams195.8 Soft-start and starter block195.9 Hiccup mode OCP20Figure 18. Hiccup-mode OCP: timing diagram205.10 Layout recommendations21Figure 19. Suggested routing for converter216 Typical application22Figure 20. Test board schematic: 4.5 W (9 V - 500 mA) wide range mains adapter22Figure 21. Electrical schematic for 440 Vac input voltage option thanks to the 900 V rated power section of Altair04-900226.1 Test board: evaluation data23Figure 22. No-load consumption23Figure 23. Efficiency at full load23Figure 24. VI Curve @ 110 VAC23Figure 25. VI Curve @ 264 VAC236.2 Test board: main waveforms24Figure 26. 110 VAC, No-load24Figure 27. 264 VAC, No-load24Figure 28. 110 VAC, Full load24Figure 29. 234 VAC, Full load247 Package mechanical data25Table 5. SO16N mechanical data25Figure 30. Package dimensions268 Order codes27Table 6. Ordering information279 Revision history28Table 7. Document revision history28Size: 658 KBPages: 29Language: EnglishOpen manual
