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RT9373A 是採用電荷泵的高效、低成本的白光 LED 驅動器,可驅動最多3只 LED,有定電流源使它們能獲得穩定一致的電流輸出。由於採用了可以 x1/x1.5/x2 模式工作的電荷泵和低壓差的電流源,RT9373A 可獲得非常高的轉換效率。使用者可以非常容易地通過脈衝調光方式使 LED 電流在 1.25mA~20mA 之間變化,這些脈衝是通過 EN 端輸入晶片的,共有16級電流可供選擇。RT9373A 使用了 WQFN-16L 3x3 的封裝。
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