Patent ID: 6028417
Filing Date: 2000-02-22
Classification: G05F,H02M

Abstract:
A structure comprising:a first power supply input line;a second power supply input line;a voltage regulator circuit connected only to said first and second power supply input lines wherein said voltage regulator circuit is connected in shunt across said first and second power supply input lines and further wherein said voltage regulator circuit further comprises:a first capacitive element having a first lead connected to said first power supply input line; and a second lead;a second capacitive element having a first lead connected to second power supply input line and a second lead;a first switch element connected to said second lead of said first capacitive element and to said second power supply input line wherein said first switch element has an open state, and a closed state;a second switch element connected to said second lead of said second capacitive element and to said first power supply input line wherein said second switch element has an open state, and a closed state; anda third switch element connected to said second lead of said first capacitive element and to said second lead of said second capacitive element, wherein said third switch element has an open state, and a closed state; and furtherwherein upon said first and second switches having said open states, and said third switch having said closed state, said first and second capacitive elements are connected in series between said first and second power supply input lines; andupon said first and second switches having said closed state, and said third switch having said open state, said first and second capacitive elements are connected in parallel between said first and second power supply input lines;a reactive control circuit connected to said first switch element, said second switch element, said third switch element, and to said first and second power supply input lines;wherein said reactive control circuit controls the open and closed states of each of said first, second, and third switch elements; andsaid reactive control circuit changes the state of each of said first, second, and third switch elements with a break-before-make characteristic; and further wherein said reactive control circuit further comprises:a first control circuit output line coupled to said third switch element;a second control circuit output line coupled to said first switch element;a first feedback line connected to second control circuit output line;a first reference voltage generator connected to first and second power supply input lines, and having a reference voltage generator input line connected to said first feedback line, and a reference voltage generator output line wherein said reference voltage generator generates a reference voltage on said reference voltage output line; anda first digital offset, non-overlapped, dual-output amplifier connected to said first and second power supply input lines, and having:an amplifier input line connected to said reference voltage generator output line;a first output terminal coupled to said first control circuit output line;a second output terminal coupled to said second control circuit output line; wherein in a quiescent state, a first output signal on said first control circuit output line has a first level; and a second output signal on said second control circuit output line has a second level wherein said second level is offset from said first level;said first and second output signals swing to a first voltage level but reach said first voltage level at different points in time so that said first and second output signals are offset and non-overlapping for a period of time during said swing; andsaid reactive control circuit is self-biasing and offset-nulling; anda circuit block connected to said first and second power supply input lines.