ELECTRONIC DEVICE COMPRISING 3-LEVEL PFC CIRCUIT, AND CONTROL METHOD THEREOF
개요
출원인
Samsung Electronics Co., Ltd.; KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
발명자
Jungwoo YANG; Moonyoung KIM; Sang-Kyoo HAN; Jeongil KANG; Seung Myung LEE; June Bong JEONG; Sungyong JOO
IPC 분류
CPC 분류
An electronic apparatus may include a power factor correction (PFC) circuit and a control circuit for controlling the operation of the PFC circuit, wherein the PFC circuit may include one or more of: an inductor connected to one end of an input voltage unit; a switch unit comprising a first switch connected in series to the inductor, and a second switch connected in series to the first switch; a flying capacitor unit comprising a first diode and a flying capacitor connected in series to each other and connected in parallel to the first switch; and an output unit comprising a second diode and an output capacitor connected in series to each other and connected in parallel to the flying capacitor and the second switch, and the control circuit comprises a first control circuit which obtains an on-off control signal for the first switch on the basis of the output voltage of the output capacitor and transmits the signal to the first switch, and a second control circuit which obtains an on-off control signal for the second switch on the basis of the flying voltage of the flying capacitor and transmits the signal to the second switch.
원문 (중국어)
An electronic apparatus may include a power factor correction (PFC) circuit and a control circuit for controlling the operation of the PFC circuit, wherein the PFC circuit may include one or more of: an inductor connected to one end of an input voltage unit; a switch unit comprising a first switch connected in series to the inductor, and a second switch connected in series to the first switch; a flying capacitor unit comprising a first diode and a flying capacitor connected in series to each other and connected in parallel to the first switch; and an output unit comprising a second diode and an output capacitor connected in series to each other and connected in parallel to the flying capacitor and the second switch, and the control circuit comprises a first control circuit which obtains an on-off control signal for the first switch on the basis of the output voltage of the output capacitor and transmits the signal to the first switch, and a second control circuit which obtains an on-off control signal for the second switch on the basis of the flying voltage of the flying capacitor and transmits the signal to the second switch.