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High Efficiency, Regulated Cha

消耗积分:2 | 格式:rar | 大小:666 | 2009-11-20

王涛

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Charge Pump vs. Ind. DC/DC Converter
Power conversion efficiency
   over limit input voltage range  
Lower quiescent current
Small board size and less external
   component of total solution
Low cost of total solution
Load disconnect at Shout down
Ease of use
Low EMI
Low output voltage ripple
Low ESR ceramic capacitor needed

Power conversion efficiency
   over wide input voltage range  
Lower quiescent current
High transformation ratio
(Rather large) inductor
Low EMI difficult to reach

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