SLVU151A April   2013  – August 2021 TPS54350 , TPS54550

 

  1.   Trademarks
  2. 1Background
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Set Point
    2. 3.2 Input Voltage Range
  5. 4Test Setup and Results
    1. 4.1 Input / Output Connections
    2. 4.2 Efficiency
    3. 4.3 Output Voltage Regulation
    4. 4.4 Load Transients
    5. 4.5 Loop Characteristics
    6. 4.6 Output Voltage Ripple
    7. 4.7 Input Voltage Ripple
    8. 4.8 Powering Up
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
  8. 7Revision History

4.5 Loop Characteristics

The TPS54550EVM-158 loop-response characteristics are shown in Figure 4-5. Gain and phase plots are shown for VIN voltage of 12 V and load current of 2.5 A.

GUID-2167A753-0B61-4B3D-ADC1-FB2B54DD4FF5-low.gifFigure 4-5 Measured Loop Response, TPS54550, VIN = 12 V