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5.5-65V Wide Vin, Current Mode Synchronous Buck Controller with Analog Current Monitor


Models (4)

Title Category Type Date
LM5117 TINA-TI Transient Reference Design (Rev. A) TINA-TI Reference Design TSC 09 Nov 2016
LM5117 TINA-TI Transient Spice Model (Rev. A) TINA-TI Spice Model ZIP 08 Nov 2016
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

450W High Efficiency 25V Buck Converter Reference Design

PMP20808 is a single-phase synchronous cuck converter reference design using the LM5117 controller IC. The design accepts an input voltage of 36Vin to 40Vin (38Vin Nominal) and provides an output of 25Vout capable of supplying 18A of continuous current to the load. The design was built on the (...)

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
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WEBENCH® Designer LM5117

  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