资料介绍
This application note describes a compact-footprint, low-cost, 60A, two-phase solution for desktop motherboard applications using AMD K8 CPUs. Test data, schematics, and bill of materials are included. The regulator operates from a 12V input and delivers a peak efficiency of 90% with a four-layer, 1oz. copper PC board typically employed in desktop designs. It features a 5in x 1.3in regulator area footprint, and uses low-cost components. Adequate airflow is necessary to ensure that the board/component temperature rise is within acceptable limits for the required operating ambient-temperature range.
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