TIDT439 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Key System Specifications
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Test Setup
    5. 1.5 Power Up Procedure
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  7. 3Waveforms
    1. 3.1 Start-up Waveform
    2. 3.2 Input Current Waveform
    3. 3.3 Load Transients
    4. 3.4 AC Drop Test
    5. 3.5 THD and PF
    6. 3.6 E-Meter Performance

2.2 Efficiency Data

Efficiency data is shown in Table 2-1.

Table 2-1 Efficiency Data at 115VAC-60Hz
POUT (W) EFFICIENCY (%)
CCM/TCM CCM
77 94.04 91.95
154 95.49 93.84
231 96.44 95.10
308 96.68 96.06
362 97.16 97.00
542 97.62 97.55
722 97.79 97.74
902 97.80 97.76
1082 97.71 97.68
1262 97.58 97.55
1442 97.40 97.37
1622 97.18 97.15
1802 96.91 96.89
Table 2-2 Efficiency Data at 230VAC-50Hz
POUT (W) EFFICIENCY (%)
CCM/TCM CCM
77 93.81 92.22
154 96.75 95.74
231 97.54 96.90
308 97.90 97.48
362 98.09 97.75
542 98.44 98.25
722 98.64 98.52
902 98.74 98.66
1082 98.78 98.75
1262 98.83 98.81
1442 98.85 98.83
1622 98.85 98.84
1802 98.85 98.83
1982 98.83 98.82
2162 98.80 98.79
2342 98.77 98.77
2522 98.74 98.73
2702 98.70 98.69
2882 98.66 98.65
3062 98.61 98.60
3242 98.55 98.54
3422 98.49 98.49
3602 98.43 98.43