LM5145DESIGN-CALC

LM5145 Synchronous Buck Controller Design Tool

LM5145DESIGN-CALC

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Overview

Welcome to the LM5145 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 LM5145 75V 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 filter 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

LM5145DESIGN-CALC LM5145 Synchronous Buck Controller Design Tool

Calculation tool

LM5145 Quickstart Design Tool (Rev. C) SNVC206C.ZIP (2389KB)

Release date: 03-Apr-2018
Buck controllers (external switch)
LM5145 75V Synchronous Buck Controller With Wide Input Voltage and Duty Cycle Ranges
Evaluation board
LM5145EVM-HD-20A LM5145 Wide VIN Synchronous Buck Controller High Density Evaluation Module

Technical documentation

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Type Title Date
Technical article Synchronous buck controller solutions support wide VIN performance and flexibility Jun. 29, 2017

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