TIDT423 December 2024
3.6 Peak Power
Peak power test was performed by setting the peak power to 1.5 times rated power (100W) for 4ms followed by 36ms 0.9 times rated power (58W).
CH1: Vds_pri, CH2: Vout, C4:Iout
Figure 3-42 Peak Power, 90VAC, 100W Peak Power 4ms, 58W
36ms, Vout Drop 0.58V
Figure 3-44 Peak Power, 90VAC, 100W Peak Power 4ms, 58W
36ms, Zoom In, CCM Mode to Provide Peak Power With fsw Increased to
137KHz
Figure 3-46 Peak Power, 230VAC, 100W
Peak Power 4ms, 58W 36ms, Vout Drop 380mV
Figure 3-43 Peak Power, 90VAC, 100W Peak Power 4ms, 58W
36ms, Zoom In, fsw Increase to Provide Peak Power
Figure 3-45 Peak Power, 115VAC, 100W
Peak Power 4ms, 58W 36ms, Vout Drop 520mV
Figure 3-47 Peak Power, 230VAC, 100W
Peak Power 4ms, 58W 36ms, Vout Drop 380mV, Zoom In