h1_key

说明

MIC2090和MIC2091是高侧MOSFET功率开关，针对需要过电流限制和电路保护的电路中的通用50mA或100mA低功率分配进行了优化。这些部件的典型应用是用于USB端口、便携式消费品、相机和摄像机电机保护、热敏打印机头保护以及许多其他低电流负载切换应用中的电源切换。MIC2090和MIC2091有两个版本：自动重试电流限制和过电流故障时的输出闭锁。MIC2090和MIC2091采用节省空间的5引脚SOT-23封装，工作结温度范围为-40°C至+125°C。

特性

• 1.8V to 5.5V supply voltage
• 790 mO typical RDSON at 3.3V
• MIC2090 is rated for 50mA minimum continuous current
• MIC2091 is rated for 100mA minimum continuous current
• Reverse current blocking (OGI)
• 20ns super fast reaction time to hard short at output
• 10ms fault flag delay (tD_FAULT/) eliminates false assertions
• Auto-retry overcurrent and short-circuit protection (-1 version)
• Latch-off on current limit (-2 version)
• Thermal shutdown
• Fault status flag indicates: over-current, over-temperature, or UVLO
• Under-voltage lockout (UVLO)
• Low quiescent current

参数