How to improve switched capacitor DCDC converter efficiency?

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leonken

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I have a big problem: how to improve the efficiency?
It is possible that the efficiency of a switched capacitor DCDC converter is higher than the physical limit: eff.=NVout/Vin?
N: conversion ratio, Vout: output voltage Vin: input voltage.
many thanks!
 

Re: How to improve switched capacitor DCDC converter efficie

I don't think so. Efficiency could be optimized in many ways, switches size, switching frequency. Switch/gatedrive control scheme is very important in minimizing the shoot through current also.
 

Re: How to improve switched capacitor DCDC converter efficie

hylas said:
I don't think so. Efficiency could be optimized in many ways, switches size, switching frequency. Switch/gatedrive control scheme is very important in minimizing the shoot through current also.
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Yes, of course, you can improve the efficiency by many approaches, however, the max efficiency is less than or equal to the physical limit.
 

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