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

Loop Characteristics

The TPS5430EVM-173 and TPS5431EVM-173 loop-response characteristics are shown in Figure 2-9 and Figure 2-10. Gain and phase plots are shown for VIN voltage of 25 V for the TPS5430EVM-173 and 15 V for the TPS5431EVM-173. Load current for both measurements is 1 A.

GUID-7465C3AA-7673-48A0-8627-521EF555E1ED-low.gifFigure 2-9 TPS5430 Loop Response
GUID-81F1CA1C-C17A-4FFE-A6E9-DCEE23EBF6E9-low.gifFigure 2-10 PS5431 Loop Response