A New Design of High Voltage Input Flyback Switch-mode Power Supply
Zheng Zeng · Electronics & Packaging · 2012
The advent of large-scale integrated circuit has prompted the high power density of electronic equipments,which calls for the high power density of DC/DC converter.Nowadays,DC/DC converter with high power density continuously pays more and more attention on high frequency and high efficiency.Here,in this paper,a new high voltage input flyback switch-mode power supply applied UC3844 intergrated chips is illustrated,and the detailed circuit parameters and the design method of high-frequency transformer is given as well.this switch-mode power supply uses double-loop current control mode,and the input and output circuits applies photocoupler isolation.