LM3281EVM

LM3281EVM 1.2A, 3.3V Miniature Step Down DC-DC Converter with Analog Bypass

LM3281EVM

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Overview

LM3281EVM facilitates the evaluation of the LM3281 1.2A, 3.3V miniature step down DC-DC converter IC.  It is a high efficiency low noise buck converter optimized for powering noise-sensitive wireless connectivity chipsets and RF front end modules (FEM).  The unique analog bypass feature maintains regulation for longest input voltage range until the full bypass occurs due to input voltage falling below regulation target.  Bypass mode also provides a very low drop out of 60mv typ. at 600mA.  Very low quiescent current makes the LM3281 ideal for “always-on” applications, and its small solution size is very attractive for space constrained mobile applications. Standard banana jacks are provided on the EVM board for ease of evaluation.

Features
  • Small solution size
  • Superior transient response
  • Very low dropout analog bypass mode
  • Low quiescent current
AC/DC & DC/DC converters (integrated FET)
LM3281 3.3-V, 1.2-A, 6-MHz Mini Step-Down DC-DC Converter
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Evaluation board

LM3281EVM — LM3281EVM 1.2A, 3.3V Miniature Step Down DC-DC Converter with Analog Bypass

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Technical documentation

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Type Title Date
Certificate LM3281EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet LM3281 3.3-V, 1.2-A, 6-MHz Miniature Step-Down DC-DC Converter for Wireless Connectivity Solutions datasheet PDF | HTML 24 Nov 2014
User guide Using the LM3281 Evaluation Module 24 Nov 2014

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