摘要: 本文介紹一種符合待機能耗法規(guī)的新型PWM控制器SG6840/SG6841,該控制芯片具有綠色工作模式,工作頻率隨負載的變化而變化。芯片內(nèi)部具有同步斜坡補償,還具有欠壓保護過熱保護和功率限制,可實現(xiàn)超功率保護。
敘詞:待機能耗法規(guī) 綠色模式 斜坡補償 功率限制
Abstract: SG6840 is an unique green-mode controller to support “Blue Angel” Norm. The frequency variation versus load and combined with built-in synchronized slope compensation. SG6840 have ultra-low start up current , under voltage lockout , over-temperature protection and constant output limit.
Keyword:“Blue Angel” Norm Green-mode Slope compensation Power limit