Synchronous Buck Dr.MOS Power Stage

General Description The RT9680A is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The high-side MOSFET has low capacitance and g

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絲印：93；Package：UQFN-11HL；Synchronous Buck Dr.MOS Power Stage

General Description The RT9680A is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The high-side MOSFET has low capacitance and g

文件：373.89 Kbytes 頁數(shù)：15 Pages

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Synchronous Buck Dr.MOS Power Stage

RT9680A/B是高效同步Buck轉(zhuǎn)換器的功率級組件，內(nèi)部包含兩只不對稱的MOSFET和一個驅(qū)動器，其設(shè)計針對同步Buck轉(zhuǎn)換器應(yīng)用進行了優(yōu)化，上橋MOSFET電容小、柵極充電電荷少，開關(guān)速度快，符合低占空比應(yīng)用的需求；下橋MOSFET具備超低R_DS(ON)特性，可最小化導(dǎo)通損耗。RT9680A/B還有眾多的特性使其成為用途廣泛的功率模組，它的驅(qū)動器中包含有自舉二極管；下橋MOSFET可被驅(qū)動于二極管仿真模式，可在輕載情形下以異步模式工作，使輕載工作效率得到明顯改善；它的引腳布置經(jīng)過特別優(yōu)化，電流路徑感抗低，寄生參數(shù)及其影響均被最小化。\n\nRT9680A/B的封裝形 ? 工作頻率最高達1MHz\n? 針對5V PWM信號的型號為RT9680A\n? 針對3V PWM信號的型號為RT9680B\n? 輸入電壓最高達23V\n? 有過熱保護\n? 最大持續(xù)負載電流達8A\n? 低靜態(tài)耗電\n? 支持三態(tài)PWM輸入\n? 集成自舉二極管\n? 使用高功率密度的UQFN-11HL 3x3 (FC) 封裝;

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