SLVU890A April   2013  – August 2021 TPS54531

 

  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  Efficiency
    3. 4.3  Load Regulation
    4. 4.4  Line Regulation
    5. 4.5  Loop Response
    6. 4.6  Load Transient Response
    7. 4.7  Output Voltage Ripple
    8. 4.8  Input Voltage Ripple
    9. 4.9  Start-Up
    10. 4.10 Shutdown
  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

3.2 Output Filter and Closed-Loop Response

The TPS54531 relies on the output filter characteristics and the compensation network of R3, C6, and C7 to ensure stability of the control loop. Pads for a feed forward capacitor (C11) are also included for increased flexibility.