The following images show the load transient waveforms, when performing open load to full load tests. The open load on time was set to 400 ms to make sure the time is sufficient for output voltage settle back to normal regulation voltage, and full load on time was set to 40 ms.

Figure 3-31 Open Load to 4-A Load Dynamic at 300 V_IN, V_OUT (Blue), I_OUT (Green)

Figure 3-33 Open Load to 4-A Load Dynamic at 300 V_IN, Zoom of Overshoot V_OUT (Blue), I_OUT (Green)

Figure 3-35 Open Load to 4-A Load Dynamic at 600 V_IN, Zoom of Undershoot V_OUT (Blue), I_OUT (Green)

Figure 3-37 Open Load to 4-A Load Dynamic at 1000 V_IN, V_OUT (Blue), I_OUT (Green)

Figure 3-39 Open Load to 4-A Load Dynamic at 1000 V_IN, Zoom of Overshoot V_OUT (Blue), I_OUT (Green)

Figure 3-41 2-A to 4-A Load Dynamic at 1000 V_IN, Zoom of Undershoot V_OUT (Blue), I_OUT (Green)

Figure 3-32 Open Load to 4-A Load Dynamic at 300 V_IN, Zoom of Undershoot V_OUT (Blue), I_OUT (Green)

Figure 3-34 Open Load to 4-A Load Dynamic at 600 V_IN, V_OUT (Blue), I_OUT (Green)

Figure 3-36 Open Load to 4-A Load Dynamic at 600 V_IN, Zoom of Overshoot V_OUT (Blue), I_OUT (Green)

Figure 3-38 Open Load to 4-A Load Dynamic at 1000 V_IN, Zoom of Undershoot V_OUT (Blue), I_OUT (Green)

Figure 3-40 2-A to 4-A Load Dynamic at 1000 V_IN, V_OUT (Blue), I_OUT (Green)

Figure 3-42 2-A to 4-A Load Dynamic at 1000 V_IN, Zoom of Overshoot V_OUT (Blue), I_OUT (Green)