4-phase boost converter delivers 384W with no heat sink
Victor Khasiev
Abstract
A 4-Phase boost converter that can deliver 384W with no heat sink is described.
Keywords
Boost converter
LTC3862 2-phase controller
Introduction
High power boost converters are becoming increasingly popular among designers in the automotive, industrial and telecom industries. When power levels of 300W or more are required, high efficiency (low power loss) is imperative in the power train components to avoid the need for bulky heat sinks and forced-air cooling. Interleaving power stages (multiphase operation) improves efficiency and reduces ripple voltage and currents in both the input and output capacitors, allowing the use of smaller filter ...
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