The typical operation waveforms, as well as the efficiency performance are summarized in following sections.

• CH1 = VG1(TP4), CH3 = Q1 drain (TP2), CH2 = VG2(TP5), CH4 = Q1 drain (TP3)

Figure 9-2 V_IN = 340 V, I_OUT = 0 A, No Gate Drive Under Light Load (VG1, VG2)

Figure 9-4 V_IN = 340 V, I_OUT = 10 A Full Load

Figure 9-3 V_IN = 340 V, I_OUT = 0.3 A, LLC is Operating In Burst Mode

Figure 9-5 V_IN = 390 V, I_OUT = 0 A, No Gate Drive Under Light Load (VG1, VG2)

Figure 9-6 V_IN = 390 V, I_OUT = 0.3 A, LLC is Operating In Burst Mode

Figure 9-8 V_IN = 410 V, I_OUT = 0 A, No Gate Drive Under Light Load (VG1, VG2)

Figure 9-10 V_IN = 410 V, I_OUT = 10 A Full Load

Figure 9-7 V_IN = 390 V, I_OUT = 10 A Full Load

Figure 9-9 V_IN = 410 V, I_OUT = 0.3 A, LLC is Operating In Burst Mode

Figure 9-11 V_IN = 390 V, Power Converter System Efficiency Using SR FETs