CM6802A/B/AH/BH (Dynamic Soft PFC/Green PWM)
http://www.championmicro.com.tw
EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER
Design for High Efficient Power Supply at both Full Load and Light Load
230VAC turn on 500ms turn off 100ms at 100%LOAD
Ch2 is AC input voltage which is 100V/div.
Ch3 is PFC stage Mosfet Drain current (zoom out)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo (12V)
230VAC turn on 500ms turn off 10ms at 10%LOAD
Ch2 is AC input voltage which is 100V/div.
Ch3 is PFC stage Mosfet Drain current (zoom out)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo (12V)
230VAC turn on 500ms turn off 10ms at 100%LOAD
Ch2 is AC input voltage which is 100V/div.
Ch3 is PFC stage Mosfet Drain current (zoom out)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo (12V)
2009/11/02 Rev. 1.4
Champion Microelectronic Corporation
13
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
