SLVU578A December   2011  – September 2021 TPS54428

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Output Filter and Closed-Loop Response
  5. 4Test Setup and Results
    1. 4.1  Input/Output Connections
    2. 4.2  Start-Up Procedure
    3. 4.3  Efficiency
    4. 4.4  Load Regulation
    5. 4.5  Line Regulation
    6. 4.6  Frequency
    7. 4.7  Load Transient Response
    8. 4.8  Output Voltage Ripple
    9. 4.9  Input Voltage Ripple
    10. 4.10 Start-Up and Shut-Down
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic, Bill of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
    3. 6.3 Reference
  8. 7Revision History

Load Transient Response

The TPS54428EVM-052 response to load transient steps are shown in Figure 4-6 and Figure 4-7. Total peak-to-peak voltage variation is as shown.

GUID-35ACABD1-CC5D-4AB7-837B-788C0ED18315-low.gifFigure 4-6 TPS54428EVM-052 Load Transient Response, 1 A to 3 A
GUID-7898A265-1CF2-492E-A1F9-A958BC580A00-low.gifFigure 4-7 TPS54428EVM-052 Load Transient Response, 0.01 A to 2 A