SLVU834A January   2013  – October 2021 TPS54239E

 

  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

4.9 Start-Up

The TPS54239EEVM-056 start-up waveforms relative to VIN and EN are shown in Figure 4-10 and Figure 4-11. RLOAD = 1 Ω.

GUID-38887110-D317-43D8-A4A1-1F728EE32488-low.gifFigure 4-10 TPS54239EEVM-056 Start-Up Relative to VIN with SS
GUID-ECC324AF-927C-425B-B035-E2352FEB0B37-low.gifFigure 4-11 TPS54239EEVM-056 Start-Up Relative to EN with SS
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