High performance power solutions for AMD Opteron and Athlon 64 processors
Henry J. Zhang and Wei Chen
Abstract
High performance power solutions for AMD Opteron and Athlon 64 processors using the LTC3733 are described.
Keywords
Synchronous buck controller
AMD Opteron
Athlon 64
LTC3733
Introduction
AMD Opteron and Athlon 64 CPUs can draw 65A at very low voltages (0.8V to 1.55V). Such high currents put efficiency and related thermal issues at the top of a power supply designer’s list of problems. The new LTC3733 PolyPhase synchronous buck controller solves these problems, and others, by enabling solutions that offer high efficiency, low profile and fast transient response.
The LTC3733 is a 3-phase current mode controller that ...
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