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100-V synchronous buck DC/DC controller with wide duty cycle range


Models (1)

Title Category Type Date
LM5146-Q1 PSpice Unencrypted Transient Model (Rev. A) PSpice Model ZIP 01 Aug 2019

Design kits & evaluation modules (1)

Name Part# Type
Synchronous buck controller evaluation module LM5146-Q1-EVM12V Evaluation Modules & Boards

Reference designs

20-A automotive pre-regulator reference design with extended input voltage range for trucks

This reference design is a 100-W synchronous buck converter to supply automotive loads. The IC is LM5146-Q1 in fixed frequency operation at 100 kHz to ensure low noise operation. This IC (LM5146-Q1)  is designed for automotive with the ability to handle load dump for truck applications. A (...)

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Development tools (1)

Name Part# Type
LM5146-Q1 synchronous buck controller quickstart design tool LM5146DESIGN-CALC Calculation Tools
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WEBENCH® Designer LM5146-Q1

  Min   Max Range
Vin  V 5.5 to 100.0V
Vout  V 0.8 to 60V
Iout  A ≤ 20A
Ambient Temp  °C -40 to 125°C