SLVU452A May   2011  – October 2021 TPS54228

 

  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 Load Transient Response
    7. 4.7 Output Voltage Ripple
    8. 4.8 Input Voltage Ripple
    9. 4.9 Start-Up
  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

4.9 Start-Up

The TPS54228EVM-686 start-up waveform relative to VIN is shown in Figure 4-11.

GUID-EE1075BE-BF82-411A-B36F-723245ADEF76-low.gifFigure 4-11 TPS54228EVM-686 Start-Up Relative to VIN

The TPS54228EVM-686 start-up waveform relative to enable (EN) is shown in Figure 4-12.

GUID-4C294598-319A-4A0D-B39D-C9F6E3ED83EA-low.gifFigure 4-12 TPS54228EVM-686 Start-Up Relative to EN