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

3.5 Output Voltage Ripple

Figure 3-14 through Figure 3-17 show the TPS54KC23EVM output voltage ripple. The load currents are 10-mA and 30 A. VIN = 12 V. The VOUT voltage is measured using TP11 for U1 and TP29 for U2.

GUID-20240110-SS0I-7T6D-V2PX-M9993WDDSZ6X-low.pngFigure 3-14 U1 Output Ripple – 10-mA Load, Skip-Mode
GUID-20240110-SS0I-XSNP-LGVC-6WVVPTWP0LHQ-low.pngFigure 3-16 U2 Output Ripple – 10-mA Load, Skip-Mode
GUID-20240110-SS0I-JM9P-SJJ0-DD45PL9NHFCM-low.pngFigure 3-15 U1 Output Ripple – 30-A Load
GUID-20240110-SS0I-CWQG-HTZ1-WCBQRMQGSXD8-low.pngFigure 3-17 U2 Output Ripple – 30-A Load