1.4MHz switching regulator draws only 10μA supply current
Jaime Tseng
Abstract
The LTC3404, the industry’s first step-down switching regulator that operates at 1.4MHz while drawing only 10μA of supply current, is described.
Keywords
Step-down switching regulator
LTC3404
Introduction
High switching frequency and low quiescent current are no longer conflicting requirements in the design of battery-powered products. Linear Technology’s LTC3404 is the industry’s first step-down switching regulator that operates at 1.4MHz while drawing only 10μA of supply current (using Burst Mode operation) at no load. This impressive feat allows for better than 90% efficiency over three decades of output load current while allowing the use ...
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