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RT8252A 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2A的輸出電流。RT8252A採用電流模式架構和外部補償方式,可在寬闊的負載範圍和輸出電容條件下優化暫態回應的特性。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。RT8252A同時提供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。RT8252A提供SOP-8 (裸露焊盤)封裝。
±1.5% 精度回饋參考電壓
輸入電壓範圍:4.5V~23V
2A 負載能力
集成 N-MOSFET 功率開關
電流模式控制架構
340kHz 固定工作頻率
輸出電壓可調範圍:0.8V~20V
效率高達 95%
可調軟啟動
可配合陶瓷輸出電容穩定運行
逐週期過流保護
輸入欠壓鎖定保護
輸出欠壓保護
過熱關機保護
符合 RoHS 規範,不含鹵素
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