SLVT233 December   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  8. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
  9. 4Trademarks

2.3 Thermal Images

The thermal image was captured after operating for 15 minutes at full load, 28 Vin with local airflow.

PMP23598 Thermal ImageFigure 2-3 Thermal Image
Table 2-4 Local maxima measurements

Label

Component

Temperature

Bx1

Q1 - Primary FET

39.2 °C

Bx2

Q2 - Free-wheeling rectifier

58.5 °C

Bx3

Q3 - Synchronous FET

51.0 °C

Bx4

T1 - Transformer

35.6 °C

Bx5

L1 - Output inductor

50.3 °C