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LM5148-LM25148DESIGN-CALC
LM5148/-Q1 and LM25148/-Q1 controller quickstart design tool
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Latest version
Version: A3
Release date: 19 Aug 2024
LM5148/-Q1 and LM25148/-Q1 synchronous buck controller quickstart calculator
MD5 checksum
Products
AC/DC & DC/DC controllers (external FET)
LM5148
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3.5-V to 80-V, current mode synchronous buck controller
LM5148-Q1
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Automotive, 80V synchronous buck DC/DC controller with ultra-low IQ
LM25148
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42-V synchronous buck DC/DC controller with ultra-low IQ
LM25148-Q1
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Automotive 42-V synchronous buck DC/DC controller with ultra-low IQ
Hardware development
Evaluation board
LM5149-Q1EVM-400
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LM5149-Q1 evaluation module, 72-V, low-IQ, synchronous buck DC/DC controller with active EMI filter
LM25149-Q1EVM-2100
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LM25149-Q1 5.5-V to 36-V, low IQ, synchronous buck DC/DC controller evaluation module
Welcome to the quickstart design tool for the LM5148, LM5148-Q1, LM25148 and LM25148-Q1. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC buck regulator based on the LM(2)5148/-Q1 controller family. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.