LM3481 SEPIC Evaluation Board
LM3481SEPICEVAL
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Description & Features

Technical documentation

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Description

The LM3481 SEPIC evaluation board is designed to provide the design engineer with a fully functional power converter solution with two output voltage options. It produces a selectable output voltage of 12 V at 1.25A or 5V at 3A. The switching frequency for the converter is set to 500 kHz. The printed circuit board consists of 2 layers of FR4 material with 2 ounce copper on both layers. This application note contains the evaluation board schematics, Bill-of-Materials (BOM) and a quick setup procedure. Refer to the LM3481 datasheet for complete circuit design information.

Features

5V Output Voltage Option:

  • Input Voltage Range : 4.5V to 25V
  • Output Voltage : 5V ± 2%
  • Output Current : 0A to 3A
  • Switching Frequency : 500 kHz
  • Load Regulation : 0.1%
  • Board Size : 2.4 x 1.8 inches


12V Output Voltage Option:

  • Input Voltage Range : 4.5V to 18V
  • Output Voltage : 12V ± 2%
  • Output Current : 0A to 1.25A
  • Switching Frequency : 500 kHz
  • Load Regulation : 0.1%
  • Board Size : 2.4 x 1.8 inches

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LM3481SEPICEVAL/NOPB:
LM3481 SEPIC Evaluation Board

$99.00(USD)


Pricing may vary.



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Technical documentation
User guides (1)
Title Type Size (KB) Date
PDF 694 25 Apr 2013
More literature (2)
Title Type Size (KB) Date
PDF 38 02 Jan 2019
PDF 38 02 Jan 2019

TI Devices (2)

Part Number Name Product Family
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost) regulators 
LM3481-Q1  48V Wide Vin High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters  Step-up (boost) regulators 

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