Synchronous Buck Converter (5V @ 5A)
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Description & Features

Technical documentation

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This reference evaluation module, featuring the TPS51120, achieves low stand-by current high efficiency solution for PC I/O rails.

  • Ready to copy 3.3V and 5.0V rails solution.
  • Very compact design for PCB area sensitive applications.
  • Optimized for 5A output at both 3.3V and 5.0V rails.
  • Great efficiency of over 94%.
  • This design is tested and ready to plug into a notebook power system.

See the Important Notice and Disclaimer covering reference designs and other TI resources.


Schematic/Block Diagram

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Test Data

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Design Files

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(Output Voltage 1)
(Output Voltage 2)
Vin (Min) (V)10.810.8
Vin (Max) (V)13.213.2
Vout (Nom) (V)3.35
Iout (Max) (A)55
Output Power (W)16.525
Input TypeDCDC
TopologyBuck- SynchronousBuck- Synchronous

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS51120  4.5-V to 28-V, dual-channel synchronous buck controller with low standby current consumption  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS51120 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.

Technical documentation

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guide (1)
Title Type Size (KB) Date
PDF 645 06 Jan 2011
Design files (3)
Title Type Size (KB) Date
ZIP 160 16 Sep 2013
PDF 108 16 Sep 2013
PDF 66 06 Jan 2011

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