A programmable digital pulse width modulator providing versatile pulse patterns and supporting switching frequencies beyond 15 MHz

Eamon O'Malley, Karl Rinne

Research output: Contribution to conferencePaperpeer-review

Abstract

This paper describes the implementation of a novel and highly versatile digital pulse width modulator (DPWM) - probably the most critical component in any digitally controlled switching power converter. Its new architecture, composed of a delay-locked loop (DLL) and programmable DPWM module, allows the generation of high resolution, high switching frequency (fsw) PWM signals. The DPWM IC was designed using a standard 0.35-μm CMOS process and supports switching frequencies beyond 15 MHz.

Original languageEnglish
Pages53-59
Number of pages7
DOIs
Publication statusPublished - 2004
Event19th Annual IEEE Applied Power Electronics Conference and Exposition - APEC 2004 - Anaheim, CA., United States
Duration: 22 Feb 200426 Feb 2004

Conference

Conference19th Annual IEEE Applied Power Electronics Conference and Exposition - APEC 2004
Country/TerritoryUnited States
CityAnaheim, CA.
Period22/02/0426/02/04

Keywords

  • Digital control
  • Digital pulse width modulation

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