Conducted EMI measurement with a 115 V_AC, 60-Hz input are shown in the following figures. The output was not tied to Earth ground.

Figure 2-21 20-V Output With 3-A Load

Figure 2-23 9-V Output With 6-A Load

Figure 2-22 15-V Output With 4-A Load

Figure 2-24 5-V Output With 6-A Load