SLVUDR4 January   2026 LM251772-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 Specification
    4. 1.4 Device Information
  8. 2Hardware Connector, Test Point, and Selection Switch Descriptions
    1. 2.1 Connector Descriptions
    2. 2.2 Jumper Descriptions
    3. 2.3 Test Point Descriptions
  9. 3Implementation Results
    1. 3.1 Test Setup
    2. 3.2 Test Procedure
    3. 3.3 Precautions
    4. 3.4 Test Data and Performance Curves
      1. 3.4.1 Thermal Performance
      2. 3.4.2 Efficiency
      3. 3.4.3 Steady State Waveforms
      4. 3.4.4 Step Load Response
      5. 3.4.5 AC Loop Response Curves
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 Board Layout
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1.     Trademarks

4.2 Board Layout

Figure 4-2 through Figure 4-7 show the LM251772Q1EVM-PD PCB design.

LM251772Q1EVM-PD Top SilkscreenFigure 4-2 Top Silkscreen
LM251772Q1EVM-PD Bottom SilkscreenFigure 4-3 Bottom Silkscreen
LM251772Q1EVM-PD Top LayerFigure 4-4 Top Layer
LM251772Q1EVM-PD Mid-Layer 1Figure 4-5 Mid-Layer 1
LM251772Q1EVM-PD Mid-Layer 2Figure 4-6 Mid-Layer 2
LM251772Q1EVM-PD Bottom LayerFigure 4-7 Bottom Layer
Note:

On the PCB SR176A, capacitor C42 has a layout issue and is not soldered.