LM5146DESIGN-CALC

LM5146-Q1 synchronous buck controller quickstart design tool

LM5146DESIGN-CALC

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Overview

Welcome to the LM5146-Q1 quickstart design tool. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC buck regulator based on the LM5146-Q1 95-V synchronous buck controller. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.
Features
  • Determine output filter inductance and input and output capacitances
  • Select components for soft-start, input UVLO, OCP and output voltage setpoint
  • Optimize compensation values and pole/zero placement in terms of control loop stability using crossover frequency as a performance metric
  • Inspect regulator efficiency and component power dissipations
  • Analyze efficiency based on selected power MOSFET parameters
  • Review auto-generated schematic, BOM list and solution size estimate

Downloads

Calculation tool

LM5146DESIGN-CALC LM5146-Q1 Synchronous Buck Controller Quickstart Design Tool

Buck controllers (external switch)
LM5146-Q1 100-V synchronous buck DC/DC controller with wide duty cycle range
Evaluation board
LM5146-Q1-EVM12V Synchronous buck controller evaluation module

Technical documentation

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Type Title Date
User guide LM5146-Q1EVM User's Guide Aug. 10, 2018

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