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CM6800T Datasheet Epa/85+ Pfc+pwm Combo Controller

Manufacturer: Champion Microelectronic

Overview: http://www.championmicro.com.tw CM6800T (Turbo-Speed PFC+Green PWM) EPA/85+ PFC+PWM COMBO CONTROLLER Design for High Efficient Power Supply.

General Description

CM6800T is a turbo-speed PFC and a Green PWM controller.

It is designed to further increase power supply efficiency while using the relatively lower 380V Bulk Capacitor value.

Switching to CM6800T from your existing CM6800 family boards can gain the following advanced performances: 1.) Hold Up time can be increased ~ 30% from the existing 6800 power supply 2.) Turbo Speed PFC may reduce 420 Bulk Capacitor size 3.) 420V bulk capacitor value may be reduced and PFC Boost Capacitor ripple current can be reduced 4.) No Load Consumption can be reduced 290mW at 270VAC 5.) Better Power Factor and Better THD 6.) Clean Digital PFC Brown Out 7.) PWM transformer size can be smaller 8.) Superior Surge Noise Immunity 9.) To design 12V, 5V, and 3.3V output filters can be easy 10.) The stress over the entire external power device is reduced and EMI noise maybe reduced;

Key Features

  • ‹ Patents Pending ‹ Pin to pin compatible with CM6802 family, CM6800 family, and ML4800 family ‹ 23V Bi-CMOS process ‹ Designed for EPA/85+ efficiency ‹ Digitized Exactly 50% Maximum PWM Duty Cycle ‹ All high voltage resistors can be greater than 4.7 Mega ohm (4.7 Mega to 8 Mega ohm) to improve the no load consumption ‹ Rail to rail CMOS Drivers with on, 60 ohm and off, 30 ohm for both PFC and PWM with two 17V zeners ‹ Fast Start-UP Circuit without extra bleed resistor to aid VCC reaches 13V soo.

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