Tiny and efficient boost converter generates 5V at 3A from 3.3V bus
Dongyan Zhou
Abstract
A tiny and efficient boost converter that generates 5V at 3A from a 3.3V bus is described.
Keywords
Boost controller
LTC1700
Introduction
Circuits that require 5V remain popular despite the fact that modern systems commonly supply a 3.3V power bus, not 5V. The tiny LTC1700 is optimized to deliver 5V from the 3.3V bus at very high efficiency, though it can also efficiently boost other voltages. The small MSOP package and 530kHz operation promote small surface mount circuits requiring minimal board space, perfect for the latest portable devices. By taking advantage of the synchronous rectifier driver, the LTC1700 provides up to 95% ...
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