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RT9742 是用于 USB 应用的低成本、低压高侧功率开关,同时具备低导通电阻和低电流消耗的特性。它集成了过流保护电路、短路电流折返电路、热关机保护电路和欠压锁定保护电路以实现所有的保护功能,有故障指示输出可向USB控制器指示故障状态,还集成了延时功能以防止冲击电流所造成的误操作。它是 USB 电源应用的理想选择,也同时支持其它灵活的应用,其封装形式有 TSOT-23-5、TSOT-23-5 (FC)与SOT-23-3。
70mΩ/55mΩ(典型值) N-MOSFET 开关
工作电压范围:2.7V~6V
具有反向电流阻止能力
欠压锁定保护
可消除抖动的故障指示
具有电流折返特性的过热保护
过流保护
短路保护
UL认证编号:E219878
Nemko认证编号:NO87949
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