SLVU892A March   2013  – June 2021 TPS56428

 

  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
    10. 4.10 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

Efficiency

Figure 4-1 shows the efficiency for the TPS56428EVM-534 at an ambient temperature of 25°C.

GUID-F1BE44D0-4555-484C-ADC4-18383676A7EA-low.pngFigure 4-1 TPS56428EVM-534 Efficiency

Figure 4-2 shows the efficiency at light loads for the TPS56428EVM-534 at an ambient temperature of 25°C.

GUID-9D79D5F5-F6B1-4357-92AC-3AE7DC1D6044-low.pngFigure 4-2 TPS56428EVM-534 Light-Load Efficiency