Ratio buck-boost (RBB) converter with feed-forward a technique for achieving fast line response

Hsin Hsin Ho*, Pin Chin Huang, Wei Quan Wu, Ke-Horng Chen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A ratio buck-boost (RBB) converter with feed-forward (FF) technique is proposed for regulating output voltage with fast line response. Owing to the ratio control technique, RBB converter can achieve high conversion efficiency due to only two turn-on switches within a switching period for all operation modes, which contains buck, boost, and buck-boost modes. Besides, feed-forward technique minimizes the voltage variations at the output of error amplifier. Thus, a fast line transient response can be achieved with small dropout voltage at the output. The proposed RBB converter with FF-technique is designed by TSMC 0.35um 2P4M process. Simulation results demonstrate the correction and performance of RBB converter with FF-technique. The transient dropout voltage can be decreased from 80mV to 3mV.

Original languageEnglish
Title of host publicationPESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Proceedings
Pages4070-4075
Number of pages6
DOIs
StatePublished - 15 Jun 2008
EventPESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Rhodes, Greece
Duration: 15 Jun 200819 Jun 2008

Publication series

NamePESC Record - IEEE Annual Power Electronics Specialists Conference
ISSN (Print)0275-9306

Conference

ConferencePESC '08 - 39th IEEE Annual Power Electronics Specialists Conference
CountryGreece
CityRhodes
Period15/06/0819/06/08

Keywords

  • Buck-boost
  • DC-DC converter
  • Dynamic ramp
  • Feed-forward
  • Tine-regulation

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