TIDT403 August 2024
3.1 Switching
Switching behavior of Secondary MOSFET is shown in Figure 3-1 through Figure 3-9. The test condition is room temperature.
CH1: Vgs of Secondary MOSFET
CH2: Vds of Secondary MOSFET
CH3: Differential voltage of transformer primary winding
CH4: Current waveform of transformer primary winding
Figure 3-1 Switching at 200Vin, 13.5Vout, 20A Load
Figure 3-3 Switching at 200Vin, 13.5Vout, 220A Load
Figure 3-5 Switching at 400Vin, 13.5Vout, 120A Load
Figure 3-7 Switching at 450Vin, 13.5Vout, 20A Load
Figure 3-9 Switching at 450Vin, 13.5Vout, 180A Load
Figure 3-2 Switching at 200Vin, 13.5Vout, 120A Load
Figure 3-4 Switching at 400Vin, 13.5Vout, 20A Load
Figure 3-6 Switching at 400Vin, 13.5Vout, 250A Load
Figure 3-8 Switching at 450Vin, 13.5Vout, 120A Load