AAT4250 查看數據表（PDF） - Analog Technology Inc

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AAT4250

Slew Rate Controlled Load Switch

Analog Technology Inc 

General Description

The AAT4250 SmartSwitch™ is a member of

AATI's Application Specific Power MOSFET™

(ASPM™) product family. It is a Slew Rate

Controlled P-channel MOSFET power switch

designed for high-side load-switching applications.

This switch operates with an input voltage range

from 1.8V to 5.5V, making it ideal for 2.5V, 3.3V or

5V systems. The part features 1.5ms turn on and

10µs turn off time. The AAT4250 has an under volt-

age lock out which turns off the switch when an

under-voltage condition exists. Input logic levels

are TTL compatible. The quiescent supply current

is very low, typically 2µA. In shutdown mode, the

supply current is typically reduced to 0.1µA or less.

The AAT4250 is available in a 5-pin SOT23 and 8-

pin SC70JW specified over -40 to 85°C.

AAT4250

Slew Rate Controlled Load Switch

Features

SmartSwitch™

• 1.8V to 5.5V Input voltage range

• 120mΩ (5V) typical RDS(ON)

• Low quiescent current

• Typical 2µA

• Typical 0.1µA with Enable off

• Only 2.0V needed for ON/OFF Control

• Temperature range -40º to 85°C

• 5kV ESD rating

• 5-pin SOT23 or SC70JW-8 package

Applications

• Hot swap supplies

• Notebook computers

• Personal communication devices

Typical Application

INPUT

CIN

1µF

IN

OUT

AAT4250

SOT23

ON

ON/OFF

GND

GND

OUTPUT

COUT

0.1µF

GND

4250.2001.12.0.94

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