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RT5744 系列是一款降壓型轉換器，可在 2.5V 至 5.5V 輸入電壓範圍內提供數位可程式化輸出電壓。輸出電壓可透過最高支援 3.4MHz 的 I²C 介面進行設定。採用專有同步整流架構，RT5744 系列可提供最高 4A 與 6A 的連續輸出電流，且在低至 10mA 負載電流時仍能維持高效率。穩壓器以標稱 2.4MHz 固定頻率運作，可減少外部元件數量。額外增加輸出電容可改善負載瞬態期間的穩壓性能，而不影響系統穩定性。在中輕負載條件下，裝置採用脈衝頻率調變（PFM）模式以提升省電效能，室溫下典型靜態電流僅 45μA。即使在極低靜態電流下，仍能於大幅負載變化時提供優異的瞬態響應。於重負載條件下，系統會自動切換至 2.4MHz 固定頻率控制模式。在關機模式下，電源電流典型值僅 0.1μA，有助於降低功耗。如需固定頻率運作，也可停用 PFM 模式。RT5744 系列採用 WL-CSP-14B 1.31×2.02 (BSC) 封裝。建議接面溫度範圍為 -40°C 至 125°C。各料號特色請參閱訂購資訊。
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