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Texas Instruments UCC28060EVM Controller Circuitry, Schematics, Submit Documentation Feedback

Models: UCC28060EVM

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Figure 2. Controller Circuitry

SLUU280B–May 2007–Revised July 2008	UCC28060EVM 300-W Interleaved PFC Pre-Regulator	3
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Texas Instruments specifications Controller Circuitry, Schematics, UCC28060EVM 300-W Interleaved PFC Pre-Regulator

Contents

2 Thermal Requirements 3 Electrical CharacteristicsTable 1. UCC28060EVM Electrical Specifications 1 DescriptionFigure 1. Interleaved PFC Power Stage 4 SchematicsSubmit Documentation Feedback Figure 2. Controller CircuitrySchematics UCC28060EVM 300-W Interleaved PFC Pre-Regulator5 Test Setup and Power-Up/Power-Down Instructions Figure 3. Test Setup∙ Connect an isolation transformer between the source and unit Figure 5. Efficiency at 115 VRMS, With and Without Phase Management 6 Typical Performance DataFigure 4. Efficiency at 85VRMS and 265VRMS UCC28060EVM 300-W Interleaved PFC Pre-Regulator Figure 6. Efficiency at 230 VRMS, With and Without Phase ManagementFigure 7. Current Harmonics Typical Performance DataFigure 9. Inductor and Input Ripple Current at 6.2 Input Ripple Current Cancellation6.1 Output Ripple Voltage at Full Load Figure 8. VOUT Ripple, POUT = 300 Wat 265 V RMS Input at Half Peak Line Voltage Figure 11. Inductor and Input Ripple CurrentFigure 12. Inductor and Input Ripple Current at 265 V RMS Input at Peak Line VoltageFigure 16. Start-Up at V IN = 265 V RMS, P OUT = 6.3 Startup Characteristics6.4 Brownout Protection Figure 15. Start-Up at V IN = 85 V RMS, P OUT =Figure 19. Line Transient, POUT = 300W 6.5 Line TransientUCC28060EVM 300-W Interleaved PFC Pre-Regulator 7 Reference Design Assembly DrawingFigure 20. Top Layer Assembly Figure 21. Bottom Layer Copper Reference Design Assembly DrawingList of Materials Figure 22. Bottom Layer Assembly8 List of Materials Table 2. List of MaterialsSubmit Documentation Feedback Table 2. List of Materials continuedList of Materials UCC28060EVM 300-W Interleaved PFC Pre-RegulatorEVALUATION BOARD/KIT IMPORTANT NOTICE FCC WarningEVM WARNINGS AND RESTRICTIONS dataconverter.ti.com IMPORTANT NOTICEpower.ti.com amplifier.ti.com