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

2.6 Input Voltage Ripple

Figure 2-9 and Figure 2-10 show the TPS54A24EVM-058 input voltage ripple. The load currents are no load and 10 A. VIN = 12 V. The ripple voltage is measured directly across TP1 and TP7.

GUID-95E6B794-556E-414B-9A0D-1F5E24782377-low.gifFigure 2-9 TPS54A24EVM-058 Input Ripple, No Load
GUID-87735A62-0188-4E40-903E-AC5791252CE3-low.gifFigure 2-10 TPS54A24EVM-058 Input Ripple, 10-A Load