TIDT179A may   2020  – april 2023

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 System Specification
    2. 1.2 Required Equipment
    3. 1.3 Testing Conditions
    4. 1.4 Considerations
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Standby Efficiency Data
    4. 2.4 Dimensions
    5. 2.5 Thermal Images
  4. 3Waveforms
    1. 3.1 Switch Node
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-up Sequence
  5. 4Revision History

2.5 Thermal Images

The thermal images below show a top view and bottom view of the board. The ambient temperature was 25ºC with no air flow. The input voltage was 115Vac/60Hz and 230Vac/50Hz, the outputs were full loaded with 2 hours soak time.

GUID-84AB9782-4E8F-4395-B092-F86422B8F0A2-low.pngFigure 2-3 Top Side Thermal View @115Vac/60Hz, Full Loaded
GUID-1686C671-B854-47CC-8BDB-2E95B858FB91-low.pngFigure 2-5 Top Side Thermal View @230Vac/50Hz, Full Loaded
GUID-84E1D7C3-0D85-4C81-B24E-F8B50AA0469E-low.pngFigure 2-4 Bottom Side Thermal View @115Vac/60Hz, Full Loaded
GUID-C4EED134-A79A-41B0-BF1C-44D3670473ED-low.pngFigure 2-6 Bottom Side Thermal View @230Vac/50Hz, Full Loaded
Table 2-1 Main Image Markers
Name Temperature @115Vac Temperature @230Vac Emissivity Background
L100 96.4°C 65.3°C 0.96 25°C
L101 101.6°C 66.5°C 0.96 25°C
L102 66.0°C 56.8°C 0.96 25°C
T100 60.7°C 60.5°C 0.96 25°C
D100 72.7°C 59.1°C 0.96 25°C
D102 70.5°C 62.9°C 0.96 25°C
R105 112.7°C 75.9°C 0.96 25°C
Q100 71.8°C 59.6°C 0.96 25°C
Q200 65.4°C 56.8°C 0.96 25°C
Q201 64.3°C 56.7°C 0.96 25°C