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RT9706 为一高性价比、低电压、单 N-MOSFET 的高侧电源开关,适用于自供电 (self-powered) 和总线供电 (bus- powered) 的串行总线 (USB) 应用。RT9706 内含一个电荷泵电路来驱动内部 MOSFET 开关,开关的 80mΩ低导通电组 (RDS(ON)) 符合 USB 的压降要求,且具有一个输出指示信号来表示错误状况给 USB 控制器。其它特点包括插入时的软启动,用来限制涌入电流、过热关断,用来防止开关因高电流负载造成的严重失效、欠压锁定 (UVLO),确保有有效的输入电压出现前,IC 保持关机。RT9706 提供 SOT-23-5 封装。
符合 USB 规范
内置 (典型值 80mΩ) N-通道 MOSFET
输出可以被强制高于输入 (Off-State)
低线电流:
开关打开状态 (Switch On State) 下,典型值 25μA
开关关闭状态 (Switch Off State) 下,典型值 0.1μA
保证 500mA 连续负载电流
宽输入电压范围: 2V 至 5.5V
开路汲极错误讯号 (Fault Flag) 输出
热插入应用 (软启动)
欠压锁定 (UVLO) 典型值 1.7V
电流限制保护
过热保护
反向电流阻断 (无二极管)
SOT-23-5 封装,最小化板子体积
UL Approved-E219878
符合 RoHS 标准及 100% 不含铅
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