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RT8124A為用於驅動兩組N-MOSFET的單相同步降壓型 DC/DC PWM 控制器,可提供高精確率、可設計的輸出電壓,可藉由內部的0.6V 參考電壓以因應低調節電壓的需求。RT8120應用單回授的PWM電壓模式控制以因應快速的暫態回應。高驅動能力使它適用於大輸出電流應用。固定的操作頻率300kHz降低了所需外加電感與電容的元件大小並節省PCB面積。RT8124A整合了過電流保護、過電壓保護、欠電壓保護以及過熱保護於WDFN-10L 3x3封裝。
輸入電壓範圍:5V 至12V
驅動兩組N-MOSFET
固定操作頻率300kHz
具外部回饋補償的電壓模式PWM控制
藉由感測MOSFET RDS(ON)的過電流保護
腳位致能/關機 控制
責任週期範圍:0% 至90%
快速暫態回應
符合RoHS規範與無鹵特性
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