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

2.8 Powering Down

Figure 2-13 and Figure 2-14 show the TPS54A24EVM-058 shutdown. The input voltage for these plots is 12 V and the load is 1.8 Ω.

GUID-9CD71A4A-4453-4359-8995-5BCAC95569F2-low.gifFigure 2-13 TPS54A24EVM-058 Shutdown Relative to VIN
GUID-3CC20637-ADA8-4AD3-AE5E-6396AC46202A-low.gifFigure 2-14 TPS54A24EVM-058 Shutdown Relative to Enable