SLVT229 December   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 High Side Gate Drive Circuit
      2. 2.2.2 PWM Generation Circuit
    3. 2.3 Highlighted Products
      1. 2.3.1 UCC21330-Q1 Overview
      2. 2.3.2 UCC27211A-Q1 Overview
      3. 2.3.3 TPS1212-Q1 Overview
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Efficiency Data
      2. 3.3.2 Efficiency Graphs
      3. 3.3.3 Output Voltage Ripple
      4. 3.3.4 Thermal Images
      5. 3.3.5 Switch Voltage Stress of High Side Switches
      6. 3.3.6 Load Transients
      7. 3.3.7 Reverse Step-up Operation of SCC
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 PCB Layout Recommendations
    2. 4.2 Documentation Support
    3.     Trademarks

3.3.4 Thermal Images

Thermal images are shown in Figure 3-9 through Figure 3-12. Test condition is room temperature, no air flow.

PMP41150 Thermal Image at 48Vin, 3:1 Conversion Ratio, 40A LoadFigure 3-9 Thermal Image at 48Vin, 3:1 Conversion Ratio, 40A Load
PMP41150 Thermal Image at 48Vin, 3:1 Conversion Ratio, 65A LoadFigure 3-10 Thermal Image at 48Vin, 3:1 Conversion Ratio, 65A Load
PMP41150 Thermal Image at 48Vin, 4:1 Conversion Ratio, 60A LoadFigure 3-11 Thermal Image at 48Vin, 4:1 Conversion Ratio, 60A Load
PMP41150 Thermal Image at 48Vin, 4:1 Conversion Ratio, 80A LoadFigure 3-12 Thermal Image at 48Vin, 4:1 Conversion Ratio, 80A Load