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LM25141DESIGN-CALC

LM25141-Q1 controller quickstart design tool

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Latest version
Version: A6
Release date: Mar 6, 2025
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LM25141-Q1_quickstart_calculator_revA6.xlsm  — 1749 K

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Products
AC/DC & DC/DC controllers (external FET)
LM25141 — Low Iq, Wide Input Range Synchronous Buck Controller LM25141-Q1 — Automotive 2.2-MHz, low-IQ synchronous buck controller with frequency spread spectrum
Hardware development
Reference design
PMP21107 — Wide input synchronous buck converter reference design with frequency spread spectrum PMP30249 — [OBSOLETE] Automotive Synchronous Buck Reference Design
Evaluation board
LM5141QRGEVM — LM5141QRG Synchronous Buck Converter Evaluation Module

Release Information

Welcome to the quickstart design tool for the LM25141 and LM25141-Q1 synchronous buck controller family. This standalone tool facilitates and assists the power-supply engineer with the design of a DC/DC buck regulator with external MOSFETs. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.