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A steady-state analysis is presented with complete characterization of the converter operation. A small-signal model of the converter is established. The design procedures based on the analysis are… (More)
- Yuancheng Ren, Ming Xu, Jinghai Zhou, F. C. Lee
- IEEE Transactions on Power Electronics
- 2006
An accurate analytical model is proposed in this paper to calculate the power loss of a metal-oxide semiconductor field-effect transistor. The nonlinearity of the capacitors of the devices and the… (More)
- Bing Lu, Wenduo Liu, Yan Liang, F. C. Lee, J. D. van Wyk
- Twenty-First Annual IEEE Applied Power…
- 2006
Although LLC resonant converter can achieve wide operation range with high efficiency, lack of design methodology makes it difficult to be implemented. In this paper, based on the theoretical… (More)
- Pengju Kong, Shuo Wang, F. C. Lee
- IEEE Transactions on Power Electronics
- 2008
The goal of this paper is to study the possibility of minimizing common mode (CM) noise emission in bridgeless power factor correction (PFC) converters. Two approaches are proposed. In the first… (More)
- Yuhui Chen, F. C. Lee, Lee Amoroso, Ho-Pu Wu
- IEEE Transactions on Power Electronics
- 2004
High frequency pulse-width modulation (PWM) converters generally suffer from excessive gate drive loss. This paper presents a resonant gate drive circuit that features efficient energy recovery at… (More)
- Shuo Wang, Pengju Kong, F. C. Lee
- IEEE Transactions on Power Electronics
- 2007
In this paper, the boost converter model for electromagnetic interference noise analysis is first investigated. Based on this model, a general balance concept is proposed to cancel the common mode… (More)
- Yingyi Yan, F. C. Lee, Paolo Mattavelli
- IEEE Transactions on Power Electronics
- 2010
Current mode controls have been widely used in many power converters with various topologies. Small signal equivalent circuit model is an effective tool for controller design. However, no unified… (More)
This paper proposes a novel synchronous rectifier (SR) driving scheme for resonant converters. It is very suitable for high-frequency, high-efficiency, and high-power-density dc-dc resonant… (More)
- Shuo Wang, F. C. Lee, W. G. Odendaal
- IEEE Transactions on Power Electronics
- 2005
In this paper, the electromagnetic interference (EMI) filter is first characterized using Scattering parameters (S-parameters). Based on this S-parameters model, the insertion voltage gains are… (More)
- Shuo Wang, F. C. Lee, J. D. van Wyk
- IEEE Transactions on Power Electronics
- 2006
In this paper, the parasitics in both differential-mode (DM) and common-mode (CM) inductors are first discussed. The methods for both DM and CM inductor winding capacitance cancellation are then… (More)