SBVU066A August   2020  – April 2021 TPS51397A

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Mode Selection
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up
    3. 4.3 Shutdown
    4. 4.4 Load Transient Response
    5. 4.5 Output Voltage Ripple
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
  8. 7References
  9. 8Revision History

4.3 Shutdown

Figure 4-3 and Figure 4-4 show the shutdown waveforms for the TPS51397AEVM. The input voltage for these plots is 12 V and the load is 1 Ω.

GUID-20200820-CA0I-KB73-7TBB-KZCXPV3R0KG1-low.gifFigure 4-3 Shutdown Relative to VIN, Iout = 5 A
GUID-20200820-CA0I-KHTH-5QRZ-BG2R3F1QXPWM-low.gifFigure 4-4 Shutdown Relative to Enable, Iout = 5 A