SLVUAX8B November   2016  – August 2021 TPS54824

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Evaluating the TPS54824EVM-779 at –40°C
    4. 1.4 Modifications
      1. 1.4.1 Output Voltage Setpoint
      2. 1.4.2 Adjustable UVLO
      3. 1.4.3 Example Component Values For 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  Output Voltage Line Regulation
    5. 2.5  Load Transients
    6. 2.6  Loop Characteristics
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Powering Up
    10. 2.10 Powering Down
    11. 2.11 Start-Up Into Pre-Bias
    12. 2.12 Hiccup Mode Current Limit
  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

2.10 Powering Down

Figure 2-14 and Figure 2-15 show the TPS54824EVM-779 shutdown. The input voltage for these plots is 12 V and the load is 1 Ω.

GUID-4A50ECF6-90DF-47CD-8565-A608D7AB6795-low.png Figure 2-14 TPS54824EVM-779 Shutdown Relative to VIN
GUID-794A5903-20B7-4F32-83FF-131541C66DE3-low.png Figure 2-15 TPS54824EVM-779 Shutdown Relative to Enable