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 GENERAL DESCRIPTION Switching to CM6802A/B/AH/BH from your existing CM6800 family boards can gain the following advanced performances: 1.
) Around 2% efficiency gain when the output load is below 40% of the full load.
2.
) Hold Up time can be increased ~ 30% from the existing 6800 power supply.
3.
) 420V bulk capacitor value may be reduced PFC boost ripple current can be reduced; therefore, the boost inductor core size maybe reduced.
4.
) No Load Consumption can be reduced 290mW at 270VAC.
5.
) PWM transfo...

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