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A High Performance Voltage Down Converter (VDC) Using New Flexible Control Technology of Driving Current
Tetsuo ENDOH Kazutoshi NAKAMURA Fujio MASUOKA
IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic Circuits
down voltage converter, driving current, power consumption, response,
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A high performance voltage down converter (VDC) is proposed in this paper. The proposed VDC can automatically control the driving current in seven phases to reduce the fluctuation of output voltage in VDC. By using above new flexible control technology of driving current, the fluctuation of output voltage can be suppressed to less than 10% and the average consuming current of VDC can be suppressed to 34 µA, even if the operation frequency is 200 MHz at the average driving current 100 mA. Therefore, the proposed VDC can operate with large driving current, low-power consumption and good response at the same time. Above all, this technology is very suitable for high perform ULSIs which require large load current, very low-power and high speed operation.