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A new modeling method of Buck-Boost converter operating in discontinuous conduction mode (DCM) is presented. The method is based on the principle of energy conservation and equivalent circuit modeling method. In the modeling, the parasitic components of the Buck-Boost converter and the MOSFET delay are considered. Large signal averaged, dc and small signal circuit models of the Buck-Boost converter...
In this paper, a step-up micro power converter for solar energy harvesting applications is presented. The circuit is based on a switched-capacitor voltage doubler architecture with MOSFET capacitors, which results in an area approximately eight times smaller than using MiM capacitors for the 0.13μm CMOS technology. In order to compensate for the loss of efficiency, due to the larger parasitic capacitances,...
This paper present an evaluation of the reliability of LDMOS transistors in synchronous DC-DC buck converter using physical-based mixed device and circuit simulation. It is observed that impact ionization, lower temperature, and radiation degrade power MOSFET performances and could lead to potential failure if heavy ions strike the converter at critical time during switching.
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