Reference Design - DDR3/DDR4 Power Supply with 5V Input and 10A Load for Industrial PCs PMP10029 (ACTIVE)

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Description

This reference design shows a universal power supply solution for DDR3 and DDR4 memory. A synchronous Buck converter provides an output voltage of 1.35V for a 9A load in DDR3L configuration. A linear regulator provides a second voltage of 0.675V for a 2A load.

Features
  • Built and tested
  • Solution for DDR3, DDR3L, DDR3U and DDR4 by adjusting just a single resistor
  • High efficiency
  • Very good dynamic performance
  • Headroom for transients
  • Very low ripple

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP10029.1
(Output Voltage 1)
PMP10029.2
(Output Voltage 2)
Vin (Min) (V)1.354.5
Vin (Max) (V)1.355.5
Vout (Nom) (V)1.351.35
Iout (Max) (A)29
Output Power (W)2.712.15
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyLinear RegulatorBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87350Q5D  30V, Nch synchronous buck NexFET MOSFET™, SON5x6 PowerBlock, 40A  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS51716  Complete DDR2/3/3L/4 Memory Power Solution Synchronous Buck Controller, 2-A LDO  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD87350Q5D LSON-CLIP (DQY)| 8 Download Download
TPS51716 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 736 14 Apr 2015
Design files (3)
Title Type Size (KB) Date
PDF 432 14 Apr 2015
PDF 18 14 Apr 2015
PDF 176 14 Apr 2015

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