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Showing 1 to 10 of 10 for “"multiphase buck converter"”.
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Design and Implementation of a Multiphase Buck Converter for Front End 48V-12V Intermediate Bus Converters
The trend in isolated DC/DC bus converters is to increase the output power in the same brick form factors that have been used in the past. Traditional intermediate bus converters (IBCs) use silicon power metal oxide semiconductor field effect transistors (MOSFETs), which recently have reached the …
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High performance control of VRM circuits
… and transient response requirements. The multiphase buck converter topology is popularly used for such application, because of its ability to handle large load current and to achieve fast dynamic transient response under large step-load condition.The first part of this thesis fully …
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Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors
… microprocessors. As an enabling technology, multiphase converters have become the standard practice in VRM industry. The primary objectives of this dissertation are to develop advanced topologies and innovative integrated magnetics for high-efficiency, high-power-density and fast-transient …
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Chemical And Biological Treatment Of Mature Landfill Leachate
… difficult to be achieved with the conventional multiphase buck converter commonly used on PC motherboards. For faster data transfer, a decrease in the output voltage is needed. This decrease causes small duty cycle that is accompanied by critical problems which impairs the efficiency. Therefore, …
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A Two-Phase Buck Converter with Optimum Phase Selection for Low Power Applications
… cameras, it is essential to increase the power converter efficiency for light load, while being able to manage heavy load. The power stage of traditional buck converter is optimized for maximum load, at the cost of light-load efficiency. Wei proposed a multiphase buck converter incorporating the …
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High-Frequency and High-Performance VRM Design for the Next Generations of Processors
… module (VRM) design, which is based on the multiphase interleaving buck topology, is thoroughly analyzed. The analysis results of the control bandwidths versus the VRM transient voltage spikes highlight the trend of high-frequency VRM design for smaller size and faster transient response. …
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Investigation of Multiphase Coupled Inductor Topologies for Point-of-Load Applications
As a scalable, high-efficiency, and simple converter topology, an interleaved, multiphase buck converter has been widely used to power microprocessors in information industry. As modern microprocessors continuously advance, the required current for high-performance microprocessors used in data …
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High-Frequency Modeling and Analyses for Buck and Multiphase Buck Converters
… load transient, etc. For the VR designs using multiphase buck converters, one of the results from these stringent challenges is a large amount of output capacitors, which is undesired from both a cost and a motherboard real estate perspective. In order to save the output capacitors, the …
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High Frequency High-Efficiency Voltage Regulators for Future Microprocessors
… the voltage regulator (VR), a dedicated DC-DC converter, is placed in close proximity to power the processor. At first, VRs drew power from the 5V output of the silver box. As the power delivered through the VR increased so dramatically, it became no longer efficient to use the 5V bus. Then for …
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High Frequency, High Efficiency Two-Stage Approach for Future Microprocessors
… than today's practice. Unfortunately, the multiphase buck converter cannot benefit from it due to the low efficiency at high switching frequency. The extreme duty is the bottleneck. The extreme duty cycle increases VR switching loss, reverse recovery loss, and conduction loss; therefore …