TIDT424 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
    4. 1.4 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 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

2.3 Thermal Images

The thermal image was captured after operating at full load for 15 minutes with airflow.

PMP23391 Thermal ImageFigure 2-3 Thermal Image
Table 2-4 Temperature by Section
Area Component Maximum Temperature (°C)

Bx1

Primary FETs

85.3

Bx2

Shim Inductor

89.8

Bx3

Bridge Transformer

32.9

Bx4

Output Inductor

46.2

Bx5

Secondary Clamp

66.0

Bx6

Secondary Snubbers

100.4