SLVU157A March   2006  – October 2021 TPS5430 , TPS5431

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Set Point
  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
  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 Load Transients

The TPS5430EVM-173 and TPS5431EVM-173 response to load transients is shown in Figure 2-7 and Figure 2-8. The current step is from 25% to 75% of maximum rated load. Total peak-to-peak voltage variation is as shown, including ripple and noise on the output.

GUID-695661F2-486D-49DE-B0A5-E6E3FEE0318B-low.gifFigure 2-7 PS5430 Transient Response
GUID-0884BEF4-0355-4175-8739-F8444E030125-low.gifFigure 2-8 TPS5431 Transient Response