Slew Rate Controlled Load Switch

Manufacturer's part number :

AAT4280AIUV-3-T1

Manufacturer Skyworks

Skyworks

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 and is available in three different versions with flexible turn-on and turn-off characteristics -- from very fast to slew rate limited. The standard AAT4280A (-1) version has a slew rate limited turn-on load switch and is functionally compatible with the AAT4250 device, while offering superior RDS(ON) characteristics. The AAT4280A (-2) version features fast load switch turn-on capabilities, typically less than 500ns turn on and 3µs turn-off times. The AAT4280A (-3) variation offers a shutdown load discharge circuit to rapidly turn off a load circuit when the switch is disabled. All AAT4280A load switch versions operate with an input voltage ranging from 1.5V to 5.5V, making them ideal for both 3V and 5V systems. Input logic levels are TTL and 2.5V to 5V CMOS compatible. The quiescent supply current is very low, typically 25nA. The AAT4280A is available in a 6-pin SOT23 or an 8-pin SC70JW package and is specified over the -40°C to 85°C temperature range.

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    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, SOT23-6, and WLCSP-5 Packages

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