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AAT4282A

Slew Rate Controlled Load Switch

Advanced Analogic Technologies 

SmartSwitchTM

PRODUCT DATASHEET

AAT4282A

Slew Rate Controlled Load Switch

Pin Descriptions

Pin #

1

2

3

4

5

6

7

8

Symbol

INA

ENA

ENB

INB

OUTB

GND

FAST

OUTA

Function

This is the pin to the P-channel MOSFET source for Switch A. Bypass to ground through a 1μF capacitor.

INA is independent of INB

Active-High Enable Input A. A logic low turns the switch off and the device consumes less than 1μA of cur-

rent. Logic high resumes normal operation.

Active-High Enable Input B. A logic low turns the switch off and the device consumes less than 1μA of cur-

rent. Logic high resumes normal operation.

This is the pin to the P-channel MOSFET source for Switch B. Bypass to ground through a 1μF capacitor.

INB is independent of INA.

This is the pin to the P-channel MOSFET drain connection. Bypass to ground through a 0.1μF capacitor.

Ground connection

Active-high input Switches between FAST (Logic H) and SLOW (Logic L) Slew rate

This is the pin to the P-channel MOSFET drain connection. Bypass to ground through a 0.1μF capacitor.

Pin Configuration

FTDFN22-8

(Top View)

INA 1

ENA 2

ENB 3

INB 4

8 OUTA

7 FAST

6 GND

5 OUTB

2

www.analogictech.com

4282A.2008.02.1.2

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