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Showing 1 to 20 of 99 for “"buck converter"”.
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Multilevel Buck Converter Topologies and Their Applications
Multilevel buck topologies eliminate the limitations of conventional buck converters in some specific areas. In this thesis, novel multilevel buck topologies are proposed to meet the specific requirements of two particular applications respectively. In case I, a two-stage power conversion structure …
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Design zero-voltage switching DC-DC buck converter
… frequency, zero-voltage-switching dc-dc buck converter for battery charger application. The design and analysis of dc�dc buck converter with integrated inductor is presented. The converter has been optimized to convert 12V input voltage to 5V at 1.5A maximum load current at 50MHz …
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Alternative topologies for the low-voltage buck converter
… development of alternative topologies for the buck converter for low voltage dc dc conversion was performed. The three level buck, Resonant Switch Capacitor (ResSC), and Cuk-Buck2 were selected to be studied further based on the fact that they contain few components and were discovered in this …
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Design of zero-current switching DC-DC buck converter
… presents a zero-current switching (ZCS) DC-DC buck converter design, simulation and application. The converter control uses with ZCS technique to decrease the switching losses. Comparing to conventional buck converter, resonant buck converter includes a resonant tank equipped with resonant …
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Two-Phase Buck Converter Optimize by Echo State Network
Buck converter is a power converter which drops high input voltage into a low output voltage in high efficiency. With this characteristic, it has been used in a great number of applications. Optimized the maximum load to increase the buck converter's efficiency at the cost of light load efficiency …
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Optimization of Power MOSFET for High-Frequency Synchronous Buck Converter
… require the use of a high-frequency synchronous buck converter (SBC) in order to achieve low cost, low profile, fast transient response and high power density. However, high frequency also causes more power loss on MOSFETs. Optimization of the MOSFETs plays an important role in the system …
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Theoretical Analysis and Design for the Series-Resonator Buck Converter
High step-down dc/dc converters are widely adopted in a variety of areas such as industrial, automotive, and telecommunication. The 48 V power delivery system becomes increasingly popular for powering high-current and low-voltage chips. The Series-Capacitor Buck (SCB) converter doubles the duty …
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A zero-voltage switching technique for high frequency buck converter ICs
… to decrease the frequency dependent losses in a buck converter. The specific application for this thesis was a buck converter IC with an input voltage of up to 42V. The method utilizes the addition of an auxiliary circuit composed of a helper inductor and two helper power MOSFETs that compliment …
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Single-inductor, multiple-output buck converter with parallel source transient recovery
… a single-inductor, multiple-output (SIMO) DC-DC buck converter with parallel source transient recovery. This converter would provide substantial cost and space savings over traditional options for producing multiple supply voltages. Operating in pseudo-continuous conduction mode (PCCM), it can …
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A Constant ON-Time 3-Level Buck Converter for Low Power Applications
… which is light load for power supplies. Typical buck converter applications have low efficiency under the light load condition, primarily from their power stage and control being optimized for heavy load. The battery life of a smart camera can be extended through improvement of the light load …
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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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Modeling of a buck converter with fast load transient auxiliary circuit for CPUs
In a buck converter, the output capacitance is the dominant factor that determines the magnitude of overshoot/undershoot in the supply voltage during a load transient. In applications such as powering a CPU, the CPU can make computational predictions for its future supply current levels which can …
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An exploratory design of a 65 nm CMOS buck converter for maximum efficiency
… important. These small devices contain power converters that produce lower supply voltages from the fixed battery voltage source. For long battery life, it is necessary to maximize the efficiency of the power converter. A design is proposed for the topology and control of a 65 nm CMOS DC/DC …
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Synchronous-Conduction-Mode Tapped-Inductor Buck Converter for Low-Power, High-Density Application
General-purpose step-down converter is essential in electronic system for processing energy from high-voltage rail to low-voltage circuits. The applications can be found at the auxiliary supplies in automobile, industrial and communication systems. Buck converter is a common circuit topology to …
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A three-level buck converter to regulate a high-voltage DC-to-AC inverter
A three-level buck converter is designed and analyzed, and shown to be suitable as a high-voltage down converter as a pre-regulation stage for a 600 watt DC-to-AC power inverter. Topology selection for the inverter is examined, and a three-stage system is chosen to satisfy high voltage (1.1 kV), …
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A Two-Mode Synchronous Buck Converter for Low-Power Devices with the Sleep Mode
… in this application, however, conventional buck converter usually have high efficiency at heavy load but poor efficiency at light load. To increase the light load efficiency of buck converter, this research continues Yeago's two phase buck converter with optimum phase selection control and …
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An integrated multi-input single-output buck converter for laterally-arrayed multi-bandgap solar cells
… IC-based Multi-Input Single-Output (MISO) power converter, which serves as the small-footprint and self-powered power management module of the CPV system, is designed and tested. The proposed converter shall efficiently harvest energy from 4 types of solar cells and track the Maximum Power Point …
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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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A Two-mode Buck Converter toward High Efficiency for the Entire Load Range for Low Power Applications
… is essential to increase the efficiency of power converters, especially at light load. This thesis research investigated a power converter to supply power for the microprocessor of a smart camera. The input voltage of the converter is 5 V, and the output voltage is 1.2 V with the load ranging from …
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Investigation Of A Floating Load Buck Dc-Dc Switching Converter
<p>A floating load buck DC-DC switching converter was analyzed, simulated, designed and prototyped. The floating load buck converter is first compared to the conventional buck converter. It was found that both the floating load buck converter and conventional buck converter exhibit similar …
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