CM6802A Ver la hoja de datos (PDF) - Champion Microelectronic

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CM6802A

EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

Champion Microelectronic 

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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