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UCC29950
SLUSC18A – SEPTEMBER 2014 – REVISED MARCH 2015
UCC29950 CCM PFC and LLC Combo Controller
1 Features
•1 High Efficiency PFC and Half-Bridge Resonant LLC Combo Controller
• Continuous Conduction Mode (CCM) Boost Power Factor Correction
• Supports Self-Bias or Auxiliary (external) Bias Mode of Operation
• PFC Loops Fully Internally Compensated
• PFC Stage Design in 3 Easy Steps (design
voltage feedback, current feedback and power stage)
• Fixed 100-kHz PFC Frequency with Dithering for Ease of EMI Compliance
• True Input Power Limit, Independent of Line
Voltage
• Fixed LLC Frequency Operating Rang...