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Single 48V to 1V, 200A Converter Powers Microprocessors (Part 1) (.PDF Download)

Microprocessors (µPs) and system-on-chip (SoC) integrated circuits impose very demanding large and fast load current changes of 10 A/µs to 50 A/µs yet require ultra-small transient voltage overshoot to settle very quickly. This is currently handled by up to 12 synchronous buck converters operating in parallel at 5MHz from 12V input, resulting in poor efficiency, large size, and high cost!

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