SLVUDB4 September   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Connector, Jumper, DIP switch and Test point Description
      1. 2.1.1 Connector Descriptions
      2. 2.1.2 Jumper Descriptions
      3. 2.1.3 DIP Switch Descriptions
      4. 2.1.4 Test Points Description
      5. 2.1.5 Easy to Use Features
  9. 3Implementation Results
    1. 3.1 Test Setup and Procedure
      1. 3.1.1 Test Setup
      2. 3.1.2 Configurations for Stacking Two EVMs
      3. 3.1.3 Test Procedure
      4. 3.1.4 Precautions
    2. 3.2 Performance Data and Results
      1. 3.2.1 Efficiency
      2. 3.2.2 Steady State Waveforms
      3. 3.2.3 Step Load Response
      4. 3.2.4 AC Loop Response Curve
      5. 3.2.5 Thermal Performance
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layers
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1.     Trademarks

1.4 Device Information

The LM5125A-Q1 is a dual phase synchronous boost controller with below features:

  • Wide input voltage range from 2.5V to 42V
  • Programmable output voltage 6V to 60V
  • Dynamic output voltage tracking
  • Bypass mode
  • Programmable OVP
  • Cycle by cycle peak current limit
  • Inductor current monitor
  • Average input current limit
  • Selectable dead time
  • Stackable for 4-phase operation