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3-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control


Models (5)

Title Category Type Date
Export TINA-TI Transient Spice Model from WEBENCH (Rev. A) TINA-TI Spice Model PDF 06 Nov 2015
LM5121 TINA-TI Transient Spice Model (Rev. A) TINA-TI Spice Model ZIP 30 Jun 2015
LM5121 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 30 Jun 2015
LM5121 Unencrypted PSpice Transient Model PSpice Model ZIP 30 Mar 2015
LM5121 PSpice Transient Model (Rev. A) PSpice Model ZIP 25 Nov 2014

Design kits & evaluation modules (1)

Name Part# Type
Wide Vin Synchronous Boost Controller with Disconnection Switch Evaluation Module LM5121EVM Evaluation Modules & Boards

Reference designs

High Density 72W Battery Powered Synchronous Boost Reference Design

PMP11422 is a synchronous boost power supply using the LM5121 controllers. The design accepts an input voltage of 5Vin to 8.6Vin, and boosts a 12Vout rail capable of sourcing 6A continuous current. The LM5121 integrates an input disconnection switch feature which allows boost short circuit (...)

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WEBENCH® Designer LM5121

  Min   Max Range
Vin  V 4.5 to 65.0V
Vout  V 4.5 to 100V
Iout  A ≤ 35A
Ambient Temp  °C -40 to 125°C