Dual output buck regulator with current partitioning optimizes efficiency in space-sensitive applications
Johan Strydom
Abstract
The LTC3546, a dual output current mode buck regulator with flexible output current partitioning, is described.
Keywords
Dual output buck regulator
Current partitioning
LTC3546
Introduction
The LTC3546 is a dual output current mode buck regulator with flexible output current partitioning. Beyond the advantages normally associated with dual output regulators (reduced size, cost, EMI and part count, with improved efficiency), the LTC3546’s outputs can be partitioned for either 3A and 1A outputs, or two 2A outputs. This increases its application range and simplifies multiple supply rail designs. ...
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