SNVU907A July   2024  – August 2024 LM5137-Q1 , LM5137F-Q1

 

  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 Specifications
      1. 1.3.1 Application Circuit Diagrams
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Test Setup and Procedure
      1. 2.1.1 EVM Connections
      2. 2.1.2 Test Equipment
      3. 2.1.3 Recommended Test Setup
        1. 2.1.3.1 Input Connections
        2. 2.1.3.2 Output Connections
      4. 2.1.4 Test Procedure
        1. 2.1.4.1 Line and Load Regulation, Efficiency
  9. 3Implementation Results
    1. 3.1 Test Data and Performance Curves
      1. 3.1.1 Efficiency
      2. 3.1.2 Operating Waveforms
        1. 3.1.2.1 Load Transient Response
        2. 3.1.2.2 Startup/Shutdown With VIN
        3. 3.1.2.3 Startup/Shutdown With ENABLE ON and OFF
        4. 3.1.2.4 Switching
      3. 3.1.3 Thermal Performance
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Component Drawings
      2. 4.2.2 Layout Guidelines
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks
  12. 6Device and Documentation Support
    1. 6.1 Device Support
      1. 6.1.1 Development Support
    2. 6.2 Documentation Support
      1. 6.2.1 Related Documentation
        1. 6.2.1.1 PCB Layout Resources
        2. 6.2.1.2 Thermal Design Resources
  13. 7Revision History

4.2 PCB Layout

Figure 4-2 through Figure 4-9 show the design of the EVM using a 6-layer PCB with 2-oz copper thickness. The EVM is essentially a single-sided design except for certain input filtering and small-signal components located on the bottom side.

LM25137F-Q1-EVM5D3 Top Copper (Top View) Figure 4-2 Top Copper (Top View)
LM25137F-Q1-EVM5D3 Layer 2 Copper (Top View) Figure 4-3 Layer 2 Copper (Top View)
LM25137F-Q1-EVM5D3 Layer 3 Copper (Top View) Figure 4-4 Layer 3 Copper (Top View)
LM25137F-Q1-EVM5D3 Layer 4 Copper (Top View) Figure 4-5 Layer 4 Copper (Top View)
LM25137F-Q1-EVM5D3 Layer 5 Copper (Top View) Figure 4-6 Layer 5 Copper (Top View)
LM25137F-Q1-EVM5D3 Bottom Copper (Top View) Figure 4-7 Bottom Copper (Top View)