LM5166 DC/DC Converter Design Tool
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Welcome to the LM5166 Quick-Start Design Tool. This standalone tool facilitates and assists the power supply engineer with design of a DC/DC buck converter based on the LM5166 low IQ synchronous buck DC/DC regulator. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.

  • Determine filter inductance and input and output filter capacitances for a given operating mode (PFM or COT)
  • Optimize the design using efficiency and solution size as key performance metrics
  • Select components for soft-start, input UVLO, output voltage setpoint, current limit and switching frequency
  • Inspect converter efficiency, solution size, component power dissipation, switching frequency, and output voltage ripple
  • Analyze efficiency based on selected component parameters
  • Review auto-generated schematic and BOM list
  • Determine EMI filter components

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LM5166 DC/DC Converter Design Tool


Technical documentation
Design files (1)
Title Type Size (KB) Date
ZIP 2344 16 Jan 2017

Hardware development (2)

Name Part Number Tool Type
LM5166 Wide VIN, Low IQ, COT 3.3V 500mA Evaluation Module  LM5166EVM-C33A  Evaluation boards 
LM5166 Wide VIN, Low IQ, COT 5V 500mA Evaluation Module  LM5166EVM-C50A  Evaluation boards 

TI Devices (1)

Part Number Name Product Family
LM5166  3V-65V Input, 500mA Synchronous Buck Converter With Ultra-Low Iq  Step-down (buck) regulators 

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