SLVUAX8B November   2016  – August 2021 TPS54824

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Evaluating the TPS54824EVM-779 at –40°C
    4. 1.4 Modifications
      1. 1.4.1 Output Voltage Setpoint
      2. 1.4.2 Adjustable UVLO
      3. 1.4.3 Example Component Values For 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  Output Voltage Line Regulation
    5. 2.5  Load Transients
    6. 2.6  Loop Characteristics
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Powering Up
    10. 2.10 Powering Down
    11. 2.11 Start-Up Into Pre-Bias
    12. 2.12 Hiccup Mode Current Limit
  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

2.7 Output Voltage Ripple

Figure 2-8 and Figure 2-9 show the TPS54824EVM-779 output voltage ripple. The load currents are no load and 8 A. VIN = 12 V. The ripple voltage is measured directly across TP9 and TP4.

GUID-498C6853-DC3A-4737-9572-BD2C08AC8707-low.pngFigure 2-8 TPS54824EVM-779 Output Ripple, No Load
GUID-7AB8AE94-AF58-41ED-A8A1-00D38E54EDDB-low.pngFigure 2-9 TPS54824EVM-779 Output Ripple, 8-A Load