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DDR2 Power Solutions for Notebooks

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This technical note provides a general guideline for designing the DDR2 memory power circuitry. It includes the DDR2 voltage requirements and encompasses a simple reference design focused on the Texas Instruments Incorporated (TI) TPS51116, a complete DDR2 memory power solution which includes a synchronous buck controller, 3A linear dropout regulator (LDO), and buffered references.