LLC Resonant Half Bridge Converter

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Operation Principle Below Resonant Frequency Vp • When switching frequency is below resonant frequency, magnetizing inductor begins to participate in resonant and increases voltage gain • Secondary diode becomes discontinuous
LLC Resonant Converter Gain Function V oe = V rms os, 1 = π nV rms π IRe = Ios , 1 = ( Io ) / n 2 2 2 2 o M = L n f 2 n + ( f 2 n L n f −1) 2 n ( 1 + jf L Q ) n n e
Page 1 and 2: LLC Resonant Half Bridge Converter
Page 3 and 4: Design Challenges for DC/DC • Hig
Page 5 and 6: LLC Resonant Converter with Wide Op
Page 7: Operation Principle Above Resonant
Page 11 and 12: LLC Resonant Converter with Wide Op
Page 13 and 14: Gain Characteristics with Ln and Qe
Page 15 and 16: LLC Resonant Converter Operation fo
Page 17 and 18: Design Consideration -1: Primary RM
Page 19 and 20: Design Consideration -3: Zero Volta
Page 21 and 22: Trade-off Design of Dead Time Condu
Page 23 and 24: Design Flow Chart for LLC Resonant
Page 25 and 26: Design - Soft start Soft start is
Page 27 and 28: Feedback Loop Design - Measure G m
Page 29 and 30: UCC25600 Resonant Half Bridge Contr
Page 31 and 32: Test based on EVM (UCC25600EVM)
Page 33 and 34: Test with EVM: Ripple and Hiccup
Page 35 and 36: Test with EVM: Efficiency and Load

LLC Resonant Half Bridge Converter

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