Hi,
I found an article "The forgotten converter". This article is about charge pump converter.
According to Wikipedia "A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits are capable of high efficiencies, sometimes as high as 90–95%, while being electrically simple circuits."
Which efficiency we are talking here, the power efficiency ?
I understand the basic functionality of DC-DC converters, both buck converters and also boost converters. I know that in buck converter we get lower output voltages, but we can not get higher output power. The current can be higher then the input current but the output voltages has to be lower then the input voltages in such a way that the output power can not be more then input power. Usually it is between 80 % to 85 % which is called efficiency. Is that also true for boost converters and also for charge pump converters ?