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6-100V Wide Vin, Current Mode Synchronous Buck Controller


Models (7)

Title Category Type Date
LM5116 TINA-TI Transient Spice Model (Rev. B) TINA-TI Spice Model ZIP 29 Aug 2017
LM5116 TINA-TI Transient Reference Design (Rev. B) TINA-TI Reference Design TSC 29 Aug 2017
LM5116 PSpice Transient Model (Rev. C) PSpice Model ZIP 28 Jun 2017
LM5116 Unencrypted PSpice Transient Model (Rev. A) PSpice Model ZIP 28 Jun 2017
Export TINA-TI Transient Spice Model from WEBENCH (Rev. A) TINA-TI Spice Model PDF 06 Nov 2015
LM5116 Unencrypted PSpice Average Model PSpice Model ZIP 30 Mar 2015
LM5116 PSpice Average Model PSpice Model ZIP 22 Mar 2013

Design kits & evaluation modules (3)

Name Part# Type
LM5116 Wide Vin Synchronous Buck Controller Evaluation Module LM5116EVAL Evaluation Modules & Boards
LM5116 Wide Vin Synchronous Buck Controller PCB for Webench BuildIt LM5116BUCKEVM-BLDT Evaluation Modules & Boards
LM5116-12 Evaluation Board LM5116-12EVAL Evaluation Modules & Boards

Reference designs

Class 4 PoE Synchronous Buck Converter (12V/2A) Reference Design

The LM5116 synchronous buck controller provides a high efficiency solution for non-isolated PoE PD applications.  The TPS2378 PoE PD controller performs all necessary functions for an IEEE802.3at compliant Class 4 PoE PD.  This converter is ideal for any PoE application that demands best (...)

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

Description Part Number Company Tool Type
20Vin to 70Vin; 12Vout @ 1A; Synchronous Buck Converter PMP7994 Texas Instruments Reference designs
60Vin 12Vout @ 4A Buck Reference Design PMP9333 Texas Instruments Reference designs

Development tools (1)

Name Part# Type
LM(2)5116/WG Quick Start Component Calculator LM5116-5116WG-25116DESIGN-CALC Calculation Tools
WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer LM5116

  Min   Max Range
Vin  V 6.0 to 100.0V
Vout  V 1.215 to 80V
Iout  A ≤ 20A
Ambient Temp  °C -40 to 125°C