DocumentCode :
805072
Title :
-Hopping Accelerators for On-Chip Power Supply Circuit to Achieve Nanosecond-Order Transient TimeAuthor :
Onizuka, Kohei ; Kawaguchi, Hiroshi ; Takamiya, Makoto ; Sakurai, Takayasu
Author_Institution :
Inst. of Ind. Sci. & Center for Collaborative Res., Univ. of Tokyo
Volume :
41
Issue :
11
fYear :
2006
Firstpage :
2382
Lastpage :
2389
Abstract :
A VDD-hopping accelerator for on-chip power supply circuits is proposed and the effectiveness of the accelerator circuit is experimentally verified. The quick dropper with the linear regulator enables nanosecond-order transient time in on-chip distributed power supply systems. The measured transition time is less than 5 ns with a load circuit equivalent to 25-k logic gates in 0.18-mum CMOS. This is to be compared with the case without the accelerator of the order of mus and thus the acceleration by two orders of magnitude is achieved. Extensions of the basic approach are also discussed including implementation of the quick dropper for a switching DC-DC converter, the control stability improvement, automatic timing generation, and the parasitic element effects of the power lines
Keywords :
CMOS logic circuits; DC-DC power convertors; logic gates; power supply circuits; 0.18 micron; CMOS integrated circuit; accelerator circuit; automatic timing generation; control stability improvement; hopping accelerators; linear regulator; logic gates; mirror delay; nanosecond-order transient time; on-chip power supply circuit; parasitic elements; switching DC-DC converter; Acceleration; Automatic generation control; CMOS logic circuits; DC-DC power converters; Logic gates; Power supplies; Regulators; Switching converters; System-on-a-chip; Time measurement; DC–DC converter; linear regulator; mirror delay; parasitic elements; power supply;
fLanguage :
English
Journal_Title :
Solid-State Circuits, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9200
Type :
jour
DOI :
10.1109/JSSC.2006.882882
Filename :
1717661
Link To Document :
