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RT6160F 是一款高效率、單電感、採用 ACOT®(Advanced Constant On-Time)控制的單晶片同步升降壓(buck-boost)轉換器,可在 2.2V 至 5.5V 的輸入電壓範圍內提供最高 3A 的輸出電流。其可穩壓數位可程式化的輸出電壓,範圍為 2.025V 至 5.2V,因此適用於各式輸入供電應用情境,不論輸入電壓低於、高於或等於輸出電壓皆可使用。ACOT® 控制架構具備優異的線路/負載瞬態響應、升壓與降壓模式間的無縫轉換,並可在不需要複雜外部補償的情況下,搭配小型陶瓷輸出電容提供穩定運作。RT6160F 內建 I<sup>2</sup>C 介面,可用於輸出電壓可程式化、超音波模式控制、VOUT DVS 轉換斜率(slew-rate)調整,以及裝置狀態監控。目標輸出電壓亦可透過外部 VSEL 腳位切換以執行 DVS(dynamic voltage scaling),且 DVS 的上升斜率與斜坡模式可透過設定相關暫存器來配置。RT6160F 具備自動 PFM(Pulse Frequency Modulation)模式,採用低靜態電流設計,典型值僅 3μA,可在輕載運作時維持高效率。在較高負載下,裝置會自動切換至 2.2MHz 固定頻率控制,可使用小型封裝的濾波元件有效平滑開關漣波電壓。其整合的低 RDS(ON) 功率 MOSFET 在重載條件下展現優異效率。在關斷模式下,供應電流典型值為 0.1μA,有助於降低功耗;若需要固定頻率,亦可停用 PFM 模式。RT6160F 採用小型 WL-CSP-15B 1.4x2.3(BSC)封裝。建議的接面溫度範圍為 −40°C 至 125°C,環境溫度範圍為 −40°C 至 85°C。
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