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Automotive Grade 5.5-65V Wide Vin, Current Mode Dual Synchronous Buck Controller


Models (2)

Title Category Type Date
LM5119 Unencrypted PSpice Transient Model PSpice Model ZIP 30 Mar 2015
LM5119 PSpice Transient Model PSpice Model ZIP 11 Apr 2013

Reference designs

48V Input Dual Synchronous Buck Converter (6V@2.3A and 28V@2.5A) Reference Design

This dual synchronous buck  supplies 6V @ 2.3A and 28V @ 2.5A from a 36V to 51V input. This converter was optimized to provide high efficiency in a small footprint for 48V rail applications.

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

Development tools (1)

Name Part# Type
LM(2)5119 Quick Start Calculator LM25119-5119QUICK-CALC Calculation Tools
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WEBENCH® Designer LM5119Q

  Min   Max Range
Vin  V 5.5 to 65.0V
Vout  V 0.8 to 60V
Iout  A ≤ 15A
Ambient Temp  °C -40 to 125°C