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RT6210為具有輸入電壓5.2V至80V及可編程輸出電壓0.8V至72V的80V、500mA、350kHz高效率同步降壓型DC-DC轉換器。電流模式的控制方式可簡化外部補償,並可搭配寬範圍的電感和輸出電容來優化瞬態響應。高效率可藉由集成的N-MOSFET以及輕負載時的脈衝跳躍模式來實現。由於具備EN引腳,使得上電時序可更加靈活及關機靜態電流可降至小於3μA。RT6210擁有逐週期電流限制的過電流保護,防止短路輸出,用戶可編程軟啟動時間以防止啟動時的浪湧電流。它還包括輸入欠壓鎖定,欠壓輸出和過溫保護,讓IC在所有工作條件下可以安全和平穩的操作。RT6210採用SOP-8 (裸露焊盤) 封裝。
±1.5%精準度的0.8V回饋參考電壓
寬輸入電壓範圍 : 5.2V至80V
輸出電流 : 500mA
集成的N-MOSFET
電流模式控制
固定開關頻率 : 350kHz
可編程輸出電壓 : 0.8V至72V
< 3μA低關斷靜態電流
效率高達92%
提升輕負載效率的脈衝跳躍模式
可編程的軟啟動時間
逐週期電流限制保護
輸入欠壓鎖定、輸出欠壓和過溫保護
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