SLVUCU8 January   2024

 

  1.   1
  2.    TPS54KC23EVM 30-A, Regulator Evaluation Module
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Background
    2. 1.2 Before You Begin
    3. 1.3 Performance Characteristics Summary
  5. 2Configurations and Modifications
    1. 2.1 Output Voltage
    2. 2.2 Frequency and Operation Mode Setting (MSEL Pin)
  6. 3Test Setup and Results
    1. 3.1 Input/Output Connections
    2. 3.2 Efficiency
    3. 3.3 Output Voltage Regulation
    4. 3.4 Load Transient and Loop Response
    5. 3.5 Output Voltage Ripple
    6. 3.6 Start-up and Shutdown with EN
    7. 3.7 Thermal Performance
  7. 4Board Layout
    1. 4.1 Layout
  8. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials

3.7 Thermal Performance

Figure 3-20 through Figure 3-21 show the temperature rise of the TPS54KC23 ICs at full 30-A load. Figure 3-20 and Figure 3-21 have only one TPS54KC23 on and loaded. A minimum of 10 minutes for soak time was used before taking each measurement.

GUID-20240112-SS0I-SK2H-TWW7-8WCBW2JCD1DX-low.jpgFigure 3-20 U1 Thermal Performance – 30-A Load and U2 off
GUID-20240112-SS0I-B42H-QHVN-9T6T5TRRCMPZ-low.jpgFigure 3-21 U2 Thermal Performance – 30-A Load and U1 off