AAT4280IJS-3-T1 Advanced Analogic Technologies, Inc., AAT4280IJS-3-T1 Datasheet

AAT4280IJS-3-T1

Manufacturer Part Number

AAT4280IJS-3-T1

Description

Manufacturer

Advanced Analogic Technologies, Inc.

Datasheets

1.AAT4280IGU-3-T1.pdf (14 pages)

2.AAT4280IGU-3-T1.pdf (14 pages)

3.AAT4280IGU-3-T1.pdf (14 pages)

Specifications of AAT4280IJS-3-T1

Case

SOT-8

Date_code

2009+

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General Description

The AAT4280 SmartSwitch is a P-channel MOSFET

power switch designed for high-side load switching

applications. The P-channel MOSFET device has a

typical R

switch power handling capacity. This device is avail-

able in three different versions with flexible turn on

and off characteristics from very fast to slew rate lim-

ited. The standard AAT4280 (-1) version has a slew

rate limited turn on load switch and is functionally

compatible with the AAT4250 device while offering

superior R

version features fast load switch turn on capabilities,

typically less than 500ns turn on and 3µs turn off

times. The AAT4280 (-3) variation offers a shutdown

load discharge circuit to rapidly turn off a load circuit

when the switch is disabled. All AAT4280 load switch

versions operate with an input voltage ranging from

1.8V to 5.5V, making them ideal for both 3V and 5V

systems. The AAT4280 also features an under-volt-

age lockout which turns the switch off when an input

under-voltage condition exists. Input logic levels are

TTL and 2.5V to 5V CMOS compatible. The quies-

cent supply current is very low, typically 2.5µA. In

shutdown mode, the supply current decreases to

less than 1µA.

The AAT4280 is available in a Pb-free, 6-pin

SOT23 or 8-pin SC70JW package and is specified

over the -40°C to +85°C temperature range.

Typical Application

4280.2006.11.1.4

GND

DS(ON)

of 80mΩ, allowing increased load

characteristics. The AAT4280 (-2)

1μF

ON/OFF

AAT4280

GND

Slew Rate Controlled Load Switch

Features

•

Applications

•

GND

1.8V to 5.5V Input Voltage Range

Very Low R

Slew Rate Limited Turn-On Time Options

— 1ms

— 0.5µs

— 100µs

Fast Shutdown Load Discharge Option

Low Quiescent Current

— 2.5µA Typical

— 1µA Max in Shutdown

TTL/CMOS Input Logic Level

Temperature Range: -40ºC to +85°C

4kV ESD Rating

6-Pin SOT23 or 8-Pin SC70JW Package

Cellular Telephones

Digital Still Cameras

Hot Swap Supplies

Notebook Computers

Personal Communication Devices

Personal Digital Assistants (PDA)

OUT

DS(ON)

, Typically 80mΩ (5V)

SmartSwitch

0.1μF

OUT

AAT4280

GND

OUT

™

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