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Automotive Grade 5.5-65V Wide Vin, Current Mode Synchronous Buck Controller w Analog Current Monitor


Models (2)

Title Category Type Date
LM5117 Unencrypted PSpice Transient Model PSpice Model ZIP 30 Mar 2015
LM5117 PSpice Transient Model (Rev. A) PSpice Model ZIP 15 Sep 2014

Design kits & evaluation modules (1)

Name Part# Type
LM5117 Wide Vin Synchronous Buck Controller Evaluation Module LM5117EVAL Evaluation Modules & Boards

Reference designs

12V, 80W Sync-Buck Reference Design

The PMP30301 reference design is based on the LM5117 sync buck converter; it supplies 12V @ 6.5A and it is protected against overcurrent at 7.4A. The internal bias can be supplied internally by means of internal linear regulator, or externally by BJT and Zener diode, thus reducing power (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Development tools (1)

Name Part# Type
LM5117 Quick Start Calculator LM5117QUICK-CALC Calculation Tools

CAD/CAE symbols

Part# Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5117-Q1 Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Please follow the instructions below to view the CAD symbols:

Step 1: Download and install the Ultra Librarian software

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

Step 3: Open the .bxl file with the Ultra Librarian software.

You can always access the complete CAD/CAE Symbols database at //webench.ti.com/cad/

Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a free download.

The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.

WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer LM5117-Q1

  Min   Max Range
Vin  V 5.5 to 65.0V
Vout  V 0.8 to 60V
Iout  A ≤ 17A
Ambient Temp  °C -40 to 125°C