SLVU835A January   2013  – October 2021 TPS54239

 

  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

4.3 Efficiency

Figure 4-1 shows the efficiency for the TPS54239EVM-056 at an ambient temperature of 25°C.

GUID-0862AF52-E4DA-4B77-8167-64901F177D66-low.png Figure 4-1 TPS54239EVM-056 Efficiency

Figure 4-2 shows the efficiency at light loads for the TPS54239EVM-056 at an ambient temperature of 25°C.

GUID-A113D662-023B-4E10-990A-A4C43159CAF3-low.png Figure 4-2 TPS54239EVM-056 Light-Load Efficiency