$V\\rm _ DD$ -Hopping Accelerators for On-Chip Power Supply Circuit to Achieve Nanosecond-Order Transient Time

Author

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 V_DD-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