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With ever increasing demands of smaller size, lighter weight for all forms of consumer electronics, efficient power conversion with higher operating frequency has always being pursued rigorously. This paper demonstrates high frequency, high efficiency and high power density design of active clamp flyback converter for adapter application. Both the primary and secondary switches are gallium nitride...
High frequency is the major catalyst for size reduction in the advancement of power conversion technology. It is essential to understand the EMI characteristic of high frequency converter since the EMI filter typically occupies one third of total system volume. This paper presents an insight view of CM/DM noise transformation in Flyback converter for low power adapter applications. The so-called mixed-mode...
The winding loss of Flyback transformer is difficult to calculate because the current flowing in both sides is not simultaneous, and the current phase shift at each harmonic between primary side and secondary side is not fixed at 180??. This paper proposes a novel winding loss analysis model by considering the phase shift angle of the two current and building a new magnetic field in the region between...
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