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RT8293A為高效率、單晶同步降壓型DC/ DC轉換器,在4.5V至23V的輸入電源範圍可提供最高為3A的輸出電流。RT8293A採用電流模式架構和外部補償方式,可優化暫態響應的特性。逐週期的電流限制保護元件免受輸出短路影響;軟啟動功能可在啟動過程中防止了輸入電流過沖。RT8293A同時提供輸出欠壓保護和過溫保護。低電流消耗(<3μA)之電源關機模式會將輸出關閉,有助於電池供電系統的電源管理。RT8293A提供SOP-8 (裸露焊盤)封裝。
±1.5% 高精準度參考電壓
4.5V至23V輸入電壓範圍
3A輸出電流
整合的 N-MOSFET 開關
電流模式控制
固定操作頻率:340kHz
可調輸出電壓範圍:0.8V至20V
效率可達95%
可採用低ESR的陶瓷電容做為輸出電容
可設計的緩啟動機制
逐週期的電流限制機制
輸入欠電壓鎖定機制
輸出欠電壓保護
熱關斷保護
符合RoHS規範與無鹵特性
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