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MAX1917 - Tracking / Sinking and Sourcing / Synchronous Buck Controller for DDR Memory and Termination Supplies

General Description

The MAX1917 provides a complete power-management solution for DDR memory.

It contains a synchronous buck controller and an amplifier to generate 1/2VDDR voltage for VTT and VTTR.

The VTT and VTTR voltages are maintained within 1% of 1/2VDDR.

Key Features

  • MAX1917.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2335; Rev 1; 6/02 Tracking, Sinking and Sourcing, Synchronous Buck Controller for DDR Memory and Termination Supplies General Description The MAX1917 provides a complete power-management solution for DDR memory. It contains a synchronous buck controller and an amplifier to generate 1/2VDDR voltage for VTT and VTTR. The VTT and VTTR voltages are maintained within 1% of 1/2VDDR. The controller operates in synchronous rectification mode to ensure balanced current sourcing and sinking capability of up to 25A. With a shutdown current of less than 5µA, the MAX1917 is the best choice for low-power notebook applications, as well as servers and desktop computers. An all N-FET design optimizes efficiency.