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AAT4282A

Advanced Analogic Technologies
Part Number AAT4282A
Manufacturer Advanced Analogic Technologies
Description Dual Slew Rate Controlled Load Switch
Published Nov 27, 2012
Detailed Description AAT4282A Dual Slew Rate Controlled Load Switch General Description The AAT4282A SmartSwitch™ is a member of AnalogicTech...
Datasheet PDF File AAT4282A PDF File

AAT4282A
AAT4282A


Overview
AAT4282A Dual Slew Rate Controlled Load Switch General Description The AAT4282A SmartSwitch™ is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family.
The AAT4282A is a dual P-channel MOSFET power switch designed for high-side load-switching applications.
Each MOSFET has a typical RDS(ON) of 60mΩ, allowing increased load switch current handling capacity with a low forward voltage drop.
The device is available in three different versions with flexible turn-on and turn-off characteristics – from very fast to slew-rate limited.
The standard 4282A (-1) version has a slewrate limited turn-on load switch.
The AAT4282A (-2) version features fast turn-on capability, typically less than 500ns turn-on and 3µs turn-off times.
The AAT4282A (-3) variation offers a shutdown load discharge circuit to rapidly turn off a load circuit when the switch is disabled.
An additional feature is a slew-rate selector pin which can switch between fast and slow slew rate.
All the AAT4282A load switch versions are designed to operate from 1.
5V up to 6.
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 a very low 1µA.
The AAT4282A is available in the Pb-free, low profile 2.
0x2.
0mm FTDFN22-8 package and is specified over the -40 to 85°C temperature range.
Features • • SmartSwitch™ • • • • • • VIN Range: 1.
5V to 6.
5V Low RDS(ON) — 60mΩ Typical @ 5V — 140mΩ Typical @ 1.
5V Slew Rate Turn-On Time Options — 1ms — 0.
5µs — 100µs Fast Shutdown Load Discharge Option Low Quiescent Current — Typically 1µA TTL/CMOS Input Logic Level Temperature Range -40ºC to 85°C FTDFN22-8 Package Applications • • • • • • • • Cellular Telephones Digital Still Cameras Hotswap Supplies Notebook Computers PDA Phones PDAs PMPs Smartphones www.
DataSheet.
net/ Typical Application INA INA OUTA OUTA INB ON/OFF INB OUTB OUTB ENA AAT4282A C3 0.
1μF C4 0.
1μF C1 1μF C2 1μF ON/OFF ENB FAST GND FAST/SLO...


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