TIDT388 February   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
  6. 2Testing and Results
    1. 2.1 Efficiency, Power Loss, and Load Regulation Graphs
    2. 2.2 Thermal Images
    3. 2.3 Dimensions
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transient Response
    4. 3.4 Start-Up
    5. 3.5 Overcurrent Protection
    6. 3.6 Efficiency and Power Loss Comparison of Varying Solutions

Switching

Figure 3-43 through Figure 3-9 show the switch node voltages of the buck converter at various operating conditions.

GUID-20240206-SS0I-B89K-PL2B-F5LBPCFZJ7PD-low.pngFigure 3-1 Switch Node Voltages, 24V Input, No Load, PFM Mode
GUID-20240206-SS0I-N4T6-GVGG-NVX4K1RQZXQ7-low.pngFigure 3-3 Switch Node Voltages, 24V Input, 30A Load
GUID-20240206-SS0I-WMNL-HHXB-VWD4HVJ6JJBC-low.pngFigure 3-2 Switch Node Voltages, 24V Input, No Load, FPWM Mode
GUID-20240206-SS0I-NZGR-ZPRN-KRMPQKXHTVZF-low.pngFigure 3-4 Switch Node Voltages, 48V Input, No Load, PFM Mode
GUID-20240206-SS0I-LWR9-VRBG-KCTCJCF60XRV-low.pngFigure 3-6 Switch Node Voltages, 48V Input, 30A Load
GUID-20240206-SS0I-9CXX-CL6L-VS078WKJKK7B-low.pngFigure 3-5 Switch Node Voltages, 48V Input, No Load, FPWM Mode
GUID-20240206-SS0I-VB18-MJGW-BKL4XXGRDM0X-low.pngFigure 3-7 Switch Node Voltages, 60V Input, No Load, PFM Mode
GUID-20240206-SS0I-W7RB-7ZNP-DZNL8MJ0MWRV-low.pngFigure 3-9 Switch Node Voltages, 60V Input, 30A Load
GUID-20240206-SS0I-3MMP-7Z2R-8X57B98QSW5J-low.pngFigure 3-8 Switch Node Voltages, 60V Input, No Load, FPWM Mode