LM25145DESIGN-CALC

LM25145 Synchronous Buck Controller Design Tool

LM25145DESIGN-CALC

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Overview

Welcome to the LM25145 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 LM25145 42V 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

LM25145 Synchronous Buck Controller Design Tool (Rev. D) SNVC207D.ZIP (3200KB)

Release date: 19-Aug-2021
Supported products & hardware

Supported products & hardware

Buck controllers (external switch)
LM25145 6V to 42V Synchronous Buck DC-DC Controller With Wide Duty Cycle Range

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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