SLVUBM5A April   2019  – August 2021 TPS54A24

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Characteristics Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Adjustable UVLO
      3. 1.3.3 Component Values to Evaluate Common Output Voltages
  3. 2Test Setup and Results
    1. 2.1  Input/Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Load Regulation
    4. 2.4  Load Transient and Loop Response
    5. 2.5  Output Voltage Ripple
    6. 2.6  Input Voltage Ripple
    7. 2.7  Powering Up
    8. 2.8  Powering Down
    9. 2.9  Start-Up Into Pre-Bias
    10. 2.10 Hiccup Mode Current Limit
    11. 2.11 Thermal Performance
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

2.11 Thermal Performance

Figure 2-19 shows the temperature rise of the TPS54A24 IC and the inductor versus load current. A 15 minute soak time was used before taking each measurement..

GUID-2AD49359-A443-40A9-B177-271D84FBF34D-low.gifFigure 2-19 TPS54A24EVM-058 Thermal Performance