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CM6802A_12 Datasheet, PDF (11/25 Pages) Champion Microelectronic Corp. – EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER
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
Output step load 10% to 100% load at 230Vac
Output step 100% load to 10% load at 230Vac
Ch1 is 380V bulk cap voltage which is 100V/div.
Ch2 is VCC,Ch3 is SS(soft start pin),CH4 is Vo(12V)
Ch1 is 380V bulk cap voltage which is 100V/div.
Ch2 is VCC,Ch3 is SS(soft start pin),CH4 is Vo(12V)
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, CH4 is Vo(12V)
Ch3 is PFC stage Mosfet Drain current(zoom out)
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, CH4 is Vo(12V)
Ch3 is PFC stage Mosfet Drain current(zoom out)
2012/05/10 Rev. 1.5
Champion Microelectronic Corporation
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