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Automotive Qualified 3.5V to 36V, 3A Synchronous Step-Down Voltage Converter


Models (6)

Title Category Type Date
LM43603 Non-Inverting and Inverting PSpice Transient Model (Rev. A) PSpice Model ZIP 29 Jul 2016
LM43603 Non-Inverting and Inverting Unencrypted PSpice Transient Model (Rev. A) PSpice Model ZIP 29 Jul 2016
LM43603 Unencrypted PSpice Average Model PSpice Model ZIP 05 Mar 2015
LM43603 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 27 May 2014
LM43603 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 23 May 2014
LM43603 PSpice Average Model PSpice Model ZIP 28 Feb 2014

Design kits & evaluation modules (1)

Name Part# Type
LM43603PWP Synchronous Step-Down Converter Evaluation Module LM43603PWPEVM Evaluation Modules & Boards

Reference designs

Automotive eCall Power Supply Reference Design with Low Intermediate Voltage

This reference design includes a complete power management solution for a standalone emergency call (eCall) system in an automotive environment. The circuit is supplied directly from the car battery rail. It also manages a backup battery to power the eCall system while the car battery rail is not (...)

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

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WEBENCH® Designer LM43603-Q1

  Min   Max Range
Vin  V 3.5 to 36.0V
Vout  V 1.011 to 28V
Iout  A ≤ 3A
Ambient Temp  °C -40 to 125°C