This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
6V to 42V Synchronous Buck DC-DC Controller With Wide Duty Cycle Range


Models (2)

Title Category Type Date
LM25145 PSpice Transient Model (Rev. A) PSpice Model ZIP 14 May 2018
Export TINA-TI Transient Spice Model from WEBENCH (Rev. A) TINA-TI Spice Model PDF 06 Nov 2015

Design kits & evaluation modules (1)

Name Part# Type
LM5145 Wide VIN Synchronous Buck Controller High Density Evaluation Module LM5145EVM-HD-20A Evaluation Modules & Boards

Software (1)

LM25145 Synchronous Buck Controller Design Tool (Rev. C)  (ZIP 2393 KB )    03 Apr 2018  

Development tools (1)

Name Part# Type
LM25145 Synchronous Buck Controller Design Tool LM25145DESIGN-CALC Calculation Tools
WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer LM25145

  Min   Max Range
Vin  V 6.0 to 42.0V
Vout  V 0.8 to 40V
Iout  A ≤ 20A
Ambient Temp  °C -40 to 125°C