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RT9728A 是具有成本效益、低電壓、內含單一 P-MOSFET 的高側功率開關,適用于 USB 應用,具有電流限制可調的特性,其導通阻抗低 (120mΩ 典型值 ) ,自身電流消耗少 (120μA典型值 )。其電流限制閾值可通過一隻外接電阻在 75mA 至 1.3A (典型值) 之間進行調節,所有情況下的調節精度均在 ±10% 以內。它具有一個輸出指示信號來向 USB 控制器報告自己遇到的故障狀態,還集成了一個嵌入式的延遲功能來避免由於大電流衝擊造成的錯誤動作。其封裝形式為 SOT-23-6 和 WDFN-6L 2x2 。
電流限制精度:±10% @ 1.3A
電流限制可調範圍:75mA - 1.3A (典型值)
滿足 USB 介面電流限制需求
工作電壓範圍:2.5V - 5.5V
輸入-輸出反向電壓保護
內置軟啟動
120mΩ 高側 MOSFET
自身電流消耗: 120μA
符合 IEC61000-4-2(包含外接電容)的 15kV ESD 保護
Nemko 認證編號:IEC62368-1
符合RoHS規範,不含鹵素
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