75V Synchronous Buck Controller With Wide Input Voltage and Duty Cycle Ranges

75V Synchronous Buck Controller With Wide Input Voltage and Duty Cycle Ranges - LM5145

Models (2)

Title Category Type Size (KB) Date Views
LM5145 PSpice Transient Model (Rev. A) PSpice Model ZIP 109 KB 30 Jun 2017 99 views
TINA-TI Transient Spice Model (Export from WEBENCH) (Rev. A) TINA-TI Spice Model PDF 245 KB 06 Nov 2015 7,859 views

Design kits & evaluation modules (1)

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

Reference designs

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TI Designs

57W Output Synchronous Buck Converter for Telecom Reference Design

PMP20178 is a voltage-mode synchronous buck converter reference design rated for 5.2V output at 11A from an input voltage of 15V to 60V. This design uses the LM5145 synchronous buck controller at a switching frequency of 200 kHz. Features include power good, synchronization and trim functions.

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Software (1)

LM5145 Quickstart Design Tool (Rev. B)  (ZIP2389KB )   459views,12 Jul 2017  

Development tools (1)

Name Part# Type
LM5145 Synchronous Buck Controller Design Tool LM5145DESIGN-CALC Calculation Tools
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WEBENCH® Designer LM5145

  Min   Max Range
Vin  V 6.0 to 75.0V
Vout  V 0.8 to 60V
Iout  A ≤ 20A
Ambient Temp  °C -40 to 125°C

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