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RT5735A為一個具有兩個集成的MOSFET的5.5V、5A同步降壓恆定導通時間(COT)電流模式轉換器。RT5735A透過整合MOSFET實現小體積的設計,並採用電流模式控制,以減少外部元件數。最高開關頻率達2.4MHz,可以降低電感的體積大小,並使IC封裝最小化至WL-CSP-20B 1.6x2 (BSC)。RT5735A提供各種負載下精確的± 1%參考電壓( VREF)通過集成34mΩ/18mΩ MOSFETs和70μA典型靜態電流效率得以最大化。使用使能引腳進入關斷模式,關斷電源電流小於2μA。輸出電壓啟動斜坡由慢啟動引腳(slow start pin)控制。當輸出在90%至95%的額定電壓時,漏極開路電源良好信號指示輸出。
輸入電壓範圍:2.5V至5.5V
電流模式COT控制設計
快速瞬態響應
內置34mΩ和18mΩ同步整流器
高準確度VOUT調節
穩定相容於低ESR COUT
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