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

4.7 Output Voltage Ripple

The TPS54228EVM-686 output voltage ripple is shown in Figure 4-7. The output current is the rated full load of 2 A.

GUID-C91EEF3E-E1D3-42CD-B8BD-79EEC77E8A49-low.gifFigure 4-7 TPS54228EVM-686 Output Voltage Ripple

The TPS54228EVM-686 output voltage ripple during the start of Eco-mode operation is shown in Figure 4-8 . The output current is 30 mA.

GUID-0A1E1DDB-8761-45FE-94C9-01A8C8E6678B-low.gifFigure 4-8 TPS54228EVM-686 Start of Eco-mode Output Voltage Ripple

The TPS54228EVM-686 output voltage ripple during Eco-mode operation is shown in Figure 4-9. The output current is 0 mA.

GUID-D7931637-9F21-484A-86B2-36F1396D080D-low.gifFigure 4-9 TPS54228EVM-686 Eco-mode Output Voltage Ripple