Ultralow noise switching regulator controls EMI
Jeff Witt
Abstract
LT1534, an ultralow noise switching regulator that controls EMI, is described.
Keywords
Switching regulator
LT1534
Today’s circuit designer is often challenged to assemble a high performance system by combining sensitive analog electronics with potentially noisy DC/DC converters. Requirements for a small, efficient, cost-effective solution are in conflict with acceptable noise performance—noisy switching regulators call for filtering, shielding and layout revisions that add bulk and expense. Most electromagnetic interference (EMI) problems associated with DC/DC converters are due to high speed switching of large currents and voltages. To maintain high efficiency, ...
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