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RT7285B 是採用先進固定導通時間(ACOTTM)控制架構的同步 Buck 轉換器,具有極快的瞬態回應特性,但週邊元件極少。由於使用了低阻抗的內部 MOSFET,它可在 4.3V~18V 輸入電壓範圍內進行高效的工作。獨特的電路設計使之可以支援所有類型的陶瓷電容,其輸出電壓在 0.6V~8V 之間可調。
輸入電壓範圍:4.3V~18V
1.5A 輸出能力
ACOTTM 控制架構
快速瞬態回應能力
支持所有陶瓷電容
高達 95% 的效率
500kHz 工作頻率
可調輸出電壓範圍:0.6V~8V
逐週期電流限制
輸入端欠壓鎖定保護
熱關機保護
輕載時以高效節能模式工作
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