Output waveform at 60-V PVDD is shown in the following figures.

Test condition: 1-kHz sine-wave frequency, 4-Ω resistor, with heat sink, no airflow.

Figure 3-10 Output Waveform (Pink) With 1-MHz Switching Frequency and 0.73 Amplitude Modulation Ratio

Figure 3-12 Output Waveform (Pink) With 2-MHz Switching Frequency and 0.73 Amplitude Modulation Ratio

Figure 3-14 Output Waveform (Pink) With 384-kHz Switching Frequency and 0.73 Amplitude Modulation Ratio

Figure 3-11 Output Waveform (Pink) With 1-MHz Switching Frequency and 1.0 Amplitude Modulation Ratio

Figure 3-13 Output Waveform (Pink) With 2-MHz Switching Frequency and 1.0 Amplitude Modulation Ratio

Figure 3-15 Output Waveform (Pink) With 384-kHz Switching Frequency and 1.0 Amplitude Modulation Ratio