TIDT399 July   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
    4. 1.4 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Thermal Images
    3. 2.3 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
  8.   Trademarks

2.2 Thermal Images

The thermal images in Figure 2-2 and Figure 2-3 show operation at 12V input, –7.5V and –12V outputs, at 3A load, with no airflow. Thermals images were taken of both top and bottom side of the board and were captured after the board had reached thermal equilibrium.

PMP23241 Thermal Image, 12V Input, –7.5V Output at 3A LoadFigure 2-2 Thermal Image, 12V Input, –7.5V Output at 3A Load
PMP23241 Thermal Image, 12V Input, –12V Output at 3A LoadFigure 2-3 Thermal Image, 12V Input, –12V Output at 3A Load