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RT7740MAH 是高效率的反激式電源多模態 PWM 控制器,它採用立錡獨創的 SmartJitter™ 技術,能降低開關電源在節能模式下電磁輻射水準,同時還能消除頻率抖動帶來的輸出電壓紋波,多模態控制技術則使租種產品的性能得到最優化。以電流控制模式工作的 RT7740MAH 具有包括可調整的傳輸延時補償、輸出過壓保護、週邊溫度過高保護、大電容 Brown-In/Brown-Out 保護等在內的特性,可為寬輸入電壓範圍的 AC-DC 轉換器帶來最具性價比優勢、結構緊湊的設計,其封裝形式為 SOT-23-6。
獨有的 SmartJitter™ 技術►降低開關電源的輻射水準►消除頻率抖動對輸出紋波的影響
啟動期間的電流消耗 < 3μA
精確的過流保護
可調線路輸入補償
可調輸出過壓保護
可調週邊過熱保護
可調大電容 brown-In/Brown-Out 保護
MOSFET 驅動能力:200mA/-300mA
高雜訊免疫力
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