TIDT236 March   2022 TPS7H1101A-SP

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  4. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-up Sequence

Thermal Images

The thermal images in the following figures show operation at 12-V input and –0.2-V and –0.6-V outputs at 15-A load, with no airflow. Thermals images were taken of both the top and bottom side of the board and were captured after the board had reached thermal equilibrium.

GUID-20210311-CA0I-ZBBL-RKRQ-HQF01JLMRCBW-low.pngFigure 2-2 Thermal Image, Top Side of Board, 12-V Input, –0.2-V Output at 15-A Load
GUID-20210311-CA0I-GWFW-KWWN-FLK2JBTSLJGG-low.pngFigure 2-4 Thermal Image, Top Side of Board, 12-V Input, –0.6-V Output at 15-A Load
GUID-20210311-CA0I-WDFV-CXBT-MCTHLNKKJ7MX-low.pngFigure 2-3 Thermal Image, Bottom Side of Board, 12-V Input, –0.2-V Output at 15-A Load
GUID-20210311-CA0I-XX28-5Q7J-G69G8ZVVJDVW-low.pngFigure 2-5 Thermal Image, Bottom Side of Board, 12-V Input, –0.6-V Output at 15-A Load