LM5180DESIGN-CALC

LM5180 PSR flyback converter design tool

LM5180DESIGN-CALC

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Overview

Welcome to the LM5180 quickstart design tool. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC flyback regulator based on the LM5180 PSR flyback converter. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.
Features
  • Select transformer parameters including turns ratio and mag inductance
  • Determine input and output capacitances for specified ripple requirements (1% Vout and 5% Vin)
  • Select components for feedback, soft-start, input UVLO, and temperature compensation
  • Advise components (usually optional) for SW voltage clamp and flyback diode snubber
  • Optimize the design using efficiency and solution size as key performance metrics
  • Inspect converter efficiency and switching frequency over load and line
  • Analyze efficiency based on selected component parameters
  • Review auto-generated schematic and BOM list

Downloads

Calculation tool

LM5180DESIGN-CALC LM5180 PSR flyback converter design tool

Supported products & hardware

Supported products & hardware

Isolated DC/DC converters & modules
LM5180 65-VIN no-opto flyback converter with 100-V, 1.5-A integrated MOSFET LM5180-Q1 Automotive 65-VIN no-opto flyback converter with 100-V, 1.5-A integrated MOSFET
Evaluation board
LM5180EVM-DUAL Wide VIN PSR flyback converter dual-output evaluation module LM5180EVM-S05 Wide VIN PSR flyback converter single-output evaluation module

Technical documentation

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Type Title Date
User guide LM5180-Q1 Dual-Output EVM User's Guide (Rev. B) Jul. 18, 2019
User guide LM5180-Q1 Single-Output EVM User's Guide (Rev. D) Jul. 18, 2019

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