SLVU579A December   2011  – September 2021 TPS54427

 

  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 and Shut-Down
  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

4.3 Efficiency

Figure 4-1 shows the efficiency for the TPS54427 at an ambient temperature of 25°C.

GUID-7E4FF7DE-F7E2-4B87-81E9-F7535F998A7F-low.pngFigure 4-1 TPS54427 Efficiency

Figure 4-2 shows the efficiency at light loads for the TPS54427 at an ambient temperature of 25°C.

GUID-40D7A525-093D-4649-A558-0F32AF674FC9-low.pngFigure 4-2 TPS54427 Light-Load Efficiency