An improved topology of inductor-switching DC-DC converter

An improved version of an inductor-switching fast-response dc-dc converter is presented that will provide the requirements and features of the new generation of microprocessor and digital systems. Lower output voltage, higher output current, and smaller output voltage ripple requirements have greatl...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2005-06, Vol.52 (3), p.869-878
Main Authors: Senanayake, T., Ninomiya, T.
Format: Article
Language:English
Subjects:
Absorption
Analog circuit
Converters
dc-dc power conversion
DC-DC power converters
Design engineering
Digital systems
Electric potential
inductor switching
Inductors
Microprocessors
Power supplies
Ripples
Simulation
Switching converters
Topology
Transient response
Voltage
voltage control
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Summary:An improved version of an inductor-switching fast-response dc-dc converter is presented that will provide the requirements and features of the new generation of microprocessor and digital systems. Lower output voltage, higher output current, and smaller output voltage ripple requirements have greatly increased the difficulty of the power supply design. To further increase the problem, power-saving "stop-clock" modes of the microprocessor has demanded faster and more stable transient response from the dc-dc converter. A novel method of inductor switching is applied to a dc-dc converter, and it provides the prominent features of current amplification and absorption during the heavy burden of load transients. The design and simulation of the concept is verified by experiment with a 12-V input and 3.3-V/30-A output converter.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2005.847572