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This paper proposes an isolated DC-DC converter for Power-Supply on chip (SoC) realized by the couple of air-core coils. The pro-posed isolated DC-DC converter is evaluated by numerical simulations and experimental results. The fabricated prototype DC-DC converter works well and the simulation results are good agreement with experimental results. This paper also discusses the potential of proposed...
We propose a multi input voltage and multiple output voltage DC-DC converter using H-bridge converter for power supply on chip. We analyzed the operation mode of the H-bridge converter and also propose the suitable operation mode for power supply on chip. The proposed POLs realize stable output voltage and high efficiency over the wide range through digital control.
A power supply on chip (SoC) has been attracted attentions of many researchers because it can realize ultimate minimization of the power supply. It is quite promising for ICT applications because its features, such as smaller volume, high frequency response, and so on, fit for requirement of POL used in ICT equipment. In this paper, we propose the novel concept of digitally controlled multiple output...
This paper proposes the simple and seamless operation technique for bi-directional LLC resonant converter. Generally, bi-directional operation of LLC resonant converter is complicated and difficult to control. Because, the switching frequency has to be changed across fsr (series resonant frequency) and the switching sequences (the switching timing between high voltage side and low voltage side) has...
So far, the operating characteristics of asymmetry type current resonant converter as LLC converter are discussed in detail. However, the detail operating characteristics discussions of symmetry type resonant converter have not been carried out. This paper investigates the AC characteristics of symmetry type bi-directional current resonant converter, and their soft-switching regions are also investigated.
This paper discusses the operating characteristics of push-pull type series resonant converter. The AC equivalent model and AC analysis of push-pull type series resonant converter are confirmed by analytically and experimentally. Moreover, the operating characteristics of push-pull type series resonant converter including SR are also investigated.
Recently, the series resonant converter is widely used for various applications. Moreover, the synchronous rectifier technique has been investigated in low voltage application achieving higher efficiency. The bi-directional series resonant converter can be realized by establishing the synchronous rectifier technique. This paper investigates the ac equivalent model and operating characteristics of...
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