Powering Communications

October 2023
Flexible, Dual Output, 6-Phase Buck Controller Drives 12 V to 1.0 V/200 A Core Supply with 90.0% Efficiency

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Figure 1. Schematic of a 6-phase 1.0 V/200 A LTC7852 converter with FDMF5820DC DrMos. The FSWITCH = 400 kHz.

ASICs, FPGAs, and processors in high-performance communication, servers, and computing systems require core power supplies that can produce voltages of 1.0 V (or less) directly from a 12 V or intermediate bus—with maximum load currents sometimes above 200 A. These supplies must meet stringent efficiency and pe
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Date:
10/01/2023
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