SLVU491A November   2011  – October 2021 TPS54294

 

  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
      1. 4.3.1 Efficiency of Converter 1
      2. 4.3.2 Efficiency of Converter 2
    4. 4.4 Load Regulation
      1. 4.4.1 Load Regulation of Converter 1
      2. 4.4.2 Load Regulation of Converter 2
    5. 4.5 Line Regulation
      1. 4.5.1 Line Regulation Converter 1
      2. 4.5.2 Line Regulation Converter 2
    6. 4.6 Load Transient Response
      1. 4.6.1 Load Transient Response Converter 1
      2. 4.6.2 Load Transient Response Converter 2
    7. 4.7 Output Voltage Ripple
      1. 4.7.1 Output Voltage Ripple Converter 1
      2. 4.7.2 Output Voltage Ripple Converter 2
    8. 4.8 Input Voltage Ripple
    9. 4.9 Start-Up and Shutdown
      1. 4.9.1 Start-Up and Shutdown Converter 1
      2. 4.9.2 Start-Up and Shutdown Converter 2
  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

Output Voltage Ripple Converter 2

The output voltage ripple of converter 2 on the TPS54294EVM is shown in Figure 4-12. The output current is the rated full load of 2 A.

GUID-5381049F-4C9B-481A-B711-1DD343834811-low.gifFigure 4-12 TPS54294EVM Converter 2 Output Voltage Ripple

The output voltage ripple of converter 2 on the TPS54294EVM at the start of the Eco-mode™ operation is shown in Figure 4-13 . The output current is reduced to around 200 mA.

GUID-9D4D033B-F8F0-41F9-9792-E5642BBB73E4-low.gifFigure 4-13 TPS54294EVM Converter 2 Eco-mode™ Output Voltage Ripple

The output voltage ripple of converter 2 on the TPS54294EVM during Eco-mode™ operation at no load is shown in Figure 4-14.

GUID-3EF58B6E-27D4-4261-9E1E-0B3F272581E0-low.gifFigure 4-14 TPS54294EVM Converter 2 Eco-mode™ Output Voltage Ripple at No Load