
Innovative wide VIN dc-dc controller boosts 65V operation
Stephen Law
Power Supply / Management EngineeringTEXAS INSTRUMENTS LM5140-Q1 2.2-MHz, dual-channel synchronous buck converter reduces electromagnetic interference (EMI) and high-frequency noise in high-voltage dc-dc step-down applications. Controller includes dual outputs with phase interleaving and is offered in wettable flank packaging that speeds manufacturing. Together with firm’s WEBENCH automotive design tool, device speeds designs to market. Product delivers wide 3.8V to 65V operating range handles start-stop and load-dump conditions. http://www.ti.com/lm5140q1-pr
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