Patent · US Expired

DC-DC voltage converter with reduced output voltage ripple

US7157891B1 · kind B1 · utility

15Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 15, 2005
Grant dateJan 2, 2007
Priority date
Expiry dateApr 17, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M3/1586
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An integrated DC—DC converter circuit in which multiple switched circuits operate in parallel to drive the output electrode with multiple pulsed charging voltages such that the corresponding respective output ripple voltage components combine with destructive interference, thereby reducing the net output ripple voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.