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Showing 1 to 8 of 8 for “"Switching Power Supplies"”.
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Integrated EMI/Thermal Design for Switching Power Supplies
… of EMI and thermal performance for switch power supply by using the CAD tools. The methodology and design guidelines are developed. By using a boost PFC circuit as an example, an equivalent circuit model is built for EMI noise prediction and analysis. The parasitic elements of circuit …
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A scientific approach to EMI reduction in switching power supplies
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1991.
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Non-Intrinsic Differential-Mode Noise in Switching Power Supplies and Its Implications to EMI Filter Design
Electromagnetic Interference (EMI) problems in switching power supplies have been traditionally treated with cut-and-try approaches. In recent years, advancement has been made to better understand the problems and minimize the cut-and-try portion of the design process. However, there are still …
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Design and analysis of an active power factor correction circuit
The design of an active-unity power factor correction circuit with variable-hysteresis control for off-line dc-to-dc switching power supplies is described. Design equations relating the boost inductor current ripple to the circuit components selection and circuit performance arc discussed. A …
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Advanced filters and components for power applications
… improvement is in design of low pass filters for power electronics, although some other applications will be presented. In switching power supplies the input and output filters must attenuate frequencies related to the fundamental switching frequency of the converter. The filters represent a major …
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Automated power supply testing
… Testing system used to test a switched mode power supply. It includes all the basic principles found in industrially available Automatic Test Equipment (ATE). The system consists of a Testing Jig on which the testing is done, interfaced to a computer through a controlling card. The computer …
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Passive Cancellation of Common-Mode Electromagnetic Interference in Switching Power Converters
… diodes, and transformers to ground in the power circuit. Because of the potential for interference with other systems as well as governmental regulations, it is necessary to attenuate this noise. Ordinarily this must be accomplished by using a magnetic choke on the input power lines, which …
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High Frequency GaN Characterization and Design Considerations
The future power conversion system not only must meet the characteristics demanded by the load, but also have to achieve high power density with high efficiency, high ambient temperature, and high reliability. Density and efficiency are two key drivers and metrics for the advancement of power …