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CM6800T
(Turbo-Speed PFC+Green PWM)
http://www.championmicro.com.tw
EPA/85+
PFC+PWM COMBO CONTROLLER
Design for High Efficient Power Supply
2010/08/03
Rev. 1.2
Champion Microelectronic Corporation
11
AC power cycling :
90VAC turn on 500ms turn off 100ms at 10%LOAD
Ch2 is AC input voltage which is 100V/div.
Ch3 is PFC stage Mosfet Drain current(zoom In)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo(12V)
90VAC 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 In)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo(12V)
90VAC 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 In)
Ch3 is PFC stage Mosfet drain current, CH4 is Vo (12V)