SLUAAQ7A
August 2023 – April 2025
UCC256404
1
Abstract
Trademarks
1
Introduction
2
Theory of LLC Topology Design
3
Burst Mode Operating Control Mechanism
4
Potential ZCS Issue When Exiting Burst Mode
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Design to External Circuit for Solving ZCS Issue at Burst Transition Period
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Design to Accurate External Circuit for Solving ZCS Issue at Burst Transition Period_(Option)
6.1
Test Result of External Circuit for Solving ZCS Issue at Burst Transition Period
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Summary
8
References
9
Revision History
Application Note
Zero Current Switching Issues with Burst Mode in LLC Controllers