TIDT411 September   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  6. 2Testing and Results
    1. 2.1 Load Regulation
    2. 2.2 Efficiency Graphs
      1. 2.2.1 Power Factor (PF) and Input Current Total Harmonic Distortion (iTHD)
    3. 2.3 Efficiency Data
    4. 2.4 Thermal Images
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-up Sequence
    4. 3.4 Dynamic Response

Thermal Images

Thermal image is shown in Table 2-2.

Table 2-2 Component Temperature, 230V, 50Hz Input, Full Load
LLC Inductor 52℃
LLC Transformer 55℃
LLC Rectifier Diodes 51.3℃
Rectifier Bridge 50℃
PFC Choke 36℃
PMP41106 Thermal Image at 230VacFigure 2-6 Thermal Image at 230Vac
Note: TA = 25.0°C, 230V, 50Hz Input, Full Load
PMP41106 Thermal Image at 230VacFigure 2-7 Thermal Image at 230Vac
PMP41106 Thermal Image at 230VacFigure 2-8 Thermal Image at 230Vac
Table 2-3 Component Temperature, 110V, 50Hz Input, Full Load
LLC Inductor52.6℃
LLC Transformer55.4℃
LLC Rectifier Diodes51.3℃
Rectifier Bridge67.9℃
PFC MOSFET45.9℃
PMP41106 Thermal Image at 110VacFigure 2-9 Thermal Image at 110Vac
Note: TA = 25.0°C, 110V, 50Hz Input, Full Load
PMP41106 Thermal Image at 110VacFigure 2-10 Thermal Image at 110Vac
PMP41106 Thermal Image at 110VacFigure 2-11 Thermal Image at 110Vac
Note: Tested after 30 minutes operation, with 12V, 0.5A fan cooling