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General Description

The AAT4280A SmartSwitch is a member of AnalogicTech’s Application Specific Power MOSFET? (ASPM?) product family. The AAT4280A is a P-channel MOSFET power switch designed for high-side load switching applications. The device has a typical RDS(ON) of 80mΩ, allowing increased load switch power handling capacity. The device is available in three different versions with flexible turn-on and turn-off characteristics — from very fast to slew rate limited.

Features

? 1.5V to 5.5V Input Voltage Range

? Very Low RDS(ON), Typically 80mΩ (5V)

? Slew Rate Limited Turn-On Time Options

? 4.5ms

? 1ms

? 0.5μs

? 100μs

? Fast Shutdown Load Discharge Option

? Low Quiescent Current

? 25nA (typ)

? TTL/CMOS Input Logic Level

? Temperature Range: -40?C to +85°C

? 3kV ESD Rating

? SC70JW-8 and SOT23-6 Packages

Applications

? Cellular Telephones

? Digital Still Cameras

? Hot Swap Supplies

? LCD Panels

? Notebook Computers

? Personal Communication Devices

? Personal Digital Assistants (PDAs)