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

2.5 Output Voltage Ripple

Figure 2-7 and Figure 2-8 show the TPS54A24EVM-058 output voltage ripple. The load currents are no load and 10 A. VIN = 12 V. The VOUT voltage is measured using TP16 and the SW voltage is measured using TP15.

GUID-415EE09B-DEE9-44C2-8DD9-2A2A434EEF16-low.gifFigure 2-7 TPS54A24EVM-058 Output Ripple, No Load
GUID-417F00AC-0F5D-4229-A0D2-C3EBCE838ADF-low.gifFigure 2-8 TPS54A24EVM-058 Output Ripple, 10-A Load