SLVUBM5A April   2019  – August 2021 TPS54A24

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Characteristics Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Adjustable UVLO
      3. 1.3.3 Component Values to Evaluate Common Output Voltages
  3. 2Test Setup and Results
    1. 2.1  Input/Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Load Regulation
    4. 2.4  Load Transient and Loop Response
    5. 2.5  Output Voltage Ripple
    6. 2.6  Input Voltage Ripple
    7. 2.7  Powering Up
    8. 2.8  Powering Down
    9. 2.9  Start-Up Into Pre-Bias
    10. 2.10 Hiccup Mode Current Limit
    11. 2.11 Thermal Performance
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

2.2 Efficiency

Figure 2-1 shows the efficiency for the TPS54A24EVM-058.

Figure 2-2 shows the efficiency for the TPS54A24EVM-058 using a semi-log scale to more easily show efficiency at lower output currents. The TPS54A24 operates in forced continuous conduction mode at light loads.

GUID-664FC49C-A46F-4BD0-A711-2955FCB0D94D-low.gifFigure 2-1 TPS54A24EVM-058 Efficiency
GUID-23A8A71B-038D-4075-9118-BA49B1842077-low.gifFigure 2-2 TPS54A24EVM-058 Low Current Efficiency