Fig. 1. Schematic diagram of existing LC resonant power supply

Fig. 2. Principle of power supply

Fig. 3. Charging state diagram of the first stage and the second stage under boost operation mode

Fig. 4. Simulation of power supply waveform under two operating modes

Fig. 5. Relationship between energy and switch in the system

Fig. 6. Waveforms of supply voltage fluctuation in a single cycle

Fig. 7. 1000 Hz repetition frequency simulation waveforms of power supply under two operating modes

Fig. 8. Waveforms of the power supply

Fig. 9. Waveforms of power supply under unstable supply voltage

Fig. 10. 1000 Hz repetition frequency waveforms of power supply under two operating modes