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Power/Alternative Energy  

Need to estimate buck converter efficiency in portable apps?

Posted: 14 Jan 2008  Print Version  Bookmark and Share Subscribe

Keywords: buck converter  Pulse Width Modulation  Pulse Frequency Modulation  portable applications 

[Summary of tips] Efficiency prediction for a buck converter at Pulse Width Modulation (PWM) mode is well analysed. However, not enough attention has been paid to predict efficiency at Pulse Frequency Modulation (PFM) mode, which is widely used at light loads in portable applications to decrease loss and prolong talk time. In this article, chara......
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