SLVT230 November   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Safety Considerations
    5. 1.5 Dimensions
    6. 1.6 Test Setup
  8. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  9. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
    5. 3.5 Shut-down Sequence
  10. 4Static Regulation
  11. 5Transformer Details
    1. 5.1 Material List
    2. 5.2 Winding Details
    3. 5.3 Schematic
    4. 5.4 Winding Instructions
    5. 5.5 Details about Core, Air Gap and Bobbin
    6. 5.6 Bobbin Mechanical Details
  12.   Trademarks

2.2 Efficiency Data

Efficiency data are shown in Table 2-1 through Table 2-8.

Table 2-1 Efficiency Data at 115VAC, F = 60Hz, Vout = 9V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.0632 9 0 0 0.0632 0
0.1776 8.999 10.87 0.0978 0.0798 55.07
0.2912 8.998 21.63 0.1946 0.0966 66.83
0.6 8.997 51 0.4589 0.1411 76.48
1.136 8.996 101.7 0.9152 0.2208 80.56
2.1816 8.995 200.3 1.802 0.3796 82.60
5.327 8.99 502 4.5174 0.8096 84.80
10.566 8.984 1001 9.008 1.558 85.25
21.072 8.971 2001 18.007 3.065 85.45
42.23 8.948 4001 36.005 6.225 85.26
Table 2-2 Efficiency Data at 115VAC, F = 60Hz, Vout = 16V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.1567 16.05 0 0 0.1567 0
0.3587 16.05 10.94 0.1756 0.1831 48.95
0.5565 16.05 21.71 0.3484 0.2081 62.61
1.094 16.05 51 0.8186 0.2754 74.82
2.027 16.05 101.8 1.6339 0.3931 80.61
3.831 16.05 200.3 3.2148 0.6162 83.92
9.228 16.04 502 8.0521 1.1759 87.26
18.27 16.03 1001 16.046 2.224 87.83
36.52 16.02 2001 32.056 4.464 87.78
73.38 16 4001 64.016 9.364 87.24
Table 2-3 Efficiency Data at 115VAC, F = 60Hz, Vout = 24V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.339 24.03 0 0 0.339 0
0.6425 24.02 11.03 0.2649 0.3776 41.24
0.9389 24.02 21.77 0.5229 0.4160 55.69
1.7429 24.02 51.1 1.2274 0.5155 70.42
3.1385 24.02 101.8 2.4452 0.6933 77.91
5.768 24.02 200.4 4.8136 0.9544 83.45
13.77 24.01 502 12.053 1.717 87.53
27.24 24.00 1001 24.024 3.216 88.19
54.26 23.98 2001 47.984 6.276 88.43
109.13 23.95 4001 95.824 13.29 87.81
Table 2-4 Efficiency Data at 115VAC, F = 60Hz, Vout = 26.5V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.414 26.50 0 0 0.414 0
0.749 26.50 11.05 0.2928 0.4562 39.10
1.075 26.50 21.81 0.5780 0.497 53.76
1.965 26.50 51.1 1.3542 0.6108 68.91
3.504 26.50 101.9 2.7004 0.8036 77.06
6.394 26.49 200.5 5.3112 1.0828 83.07
15.20 26.48 502 13.293 1.907 87.45
30.03 26.48 1001 26.506 3.794 88.27
59.91 26.47 2001 52.966 6.994 88.41
120.4 26.44 4001 105.786 14.614 87.86
Table 2-5 Efficiency Data at 230VAC, F = 50Hz, Vout = 9V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.122 9.029 0 0 0.122 0
0.238 9.028 10.93 0.0987 0.1393 41.46
0.360 9.027 21.66 0.1955 0.1645 54.31
0.671 9.026 51.0 0.4603 0.2107 68.60
1.214 9.025 101.7 0.9178 0.2962 77.60
2.272 9.024 200.3 1.8075 0.4645 79.56
5.482 9.020 501 4.5190 0.963 82.43
10.675 9.013 1001 9.0220 1.653 84.52
21.10 9.000 2001 18.099 3.001 85.35
41.95 8.977 4000 35.908 6.042 85.60
Table 2-6 Efficiency Data at 230VAC, F = 50Hz, Vout = 16V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.217 16.05 0 0 0.217 0
0.427 16.05 10.99 0.1764 0.2506 41.31
0.6285 16.05 21.72 0.3486 0.2799 55.47
1.173 16.05 51.1 0.8202 0.3528 69.92
2.114 16.05 101.8 1.6339 0.5101 77.29
3.945 16.05 200.4 3.2164 0.7286 81.53
9.328 16.04 501 8.0360 1.2920 86.15
18.277 16.04 1001 16.056 2.221 87.85
36.217 16.02 2001 32.056 4.161 88.51
72.14 16.00 4000 64.000 8.140 88.72
Table 2-7 Efficiency Data at 230VAC, F = 50Hz, Vout = 24V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.402 24.09 0 0 0.402 0
0.717 24.09 11.06 0.2664 0.4506 37.16
1.010 24.09 21.8 0.5251 0.4849 52.00
1.895 24.09 53.8 1.2960 0.5990 68.39
3.228 24.09 101.9 2.4548 0.7732 76.05
5.925 24.08 200.4 4.8256 1.0994 81.45
13.875 24.08 501 12.064 1.811 86.95
27.14 24.07 1001 24.094 3.046 88.78
53.80 24.06 2001 48.144 5.656 89.49
107.28 24.04 4000 96.160 11.12 89.63
Table 2-8 Efficiency Data at 230VAC, F = 50Hz, Vout = 26.5V
PIN (W) VOUT (V) IOUT (mA) POUT (W) PLOSS (W) Efficiency (%)
0.489 26.49 0 0 0.489 0
0.826 26.49 11.09 0.2938 0.5322 35.57
1.148 26.49 21.82 0.5780 0.5700 50.35
2.043 26.49 51.2 1.3563 0.6867 66.39
3.595 26.49 101.9 2.6993 0.8957 75.09
6.541 26.49 200.5 5.3112 1.2298 81.20
15.273 26.49 502 13.2980 1.197 87.07
29.85 26.48 1001 26.5065 3.343 88.80
59.24 26.47 2001 52.9665 6.273 89.41
117.65 26.44 4000 105.760 11.89 89.89