Micropower 600kHz step-up DC/DC converter delivers 5V at 1A from a Li-Ion cell
Steve Pietkiewicz
Abstract
A micropower 600kHz step-up DC/DC converter that delivers 5V at 1A from a Li-Ion cell is described.
Keywords
Micropower DC/DC converter
LT1308
Linear Technology introduces a new micropower DC/DC converter designed to provide high output power from a single cell or higher input voltage. The LT1308 features an onboard switch capable of handling 2A with a voltage drop of 300mV and operates from an input voltage as low as 1V. The LT1308 features Burst Mode operation at light load; efficiency is 75% or better for load currents of 1mA. The device switches at 600kHz; this high frequency keeps associated power components small ...
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