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AAT4250

Advanced Analogic Technologies
Part Number AAT4250
Manufacturer Advanced Analogic Technologies
Description Slew Rate Controlled Load Switch
Published Mar 23, 2005
Detailed Description AAT4250 Slew Rate Controlled Load Switch General Description The AAT4250 SmartSwitch™ is a member of AATI's Application ...
Datasheet PDF File AAT4250 PDF File

AAT4250
AAT4250

Overview
AAT4250 Slew Rate Controlled Load Switch 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 voltage 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 8pin SC70JW specified over -40 to 85°C.
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 Preliminary Information Applications • • • Hot swap supplies Notebook computers Personal communication devices Typical Application INPUT IN OUT OUTPUT AAT4250 SOT23 CIN 1µF ON ON/OFF GND COUT 0.
1µF GND GND 4250.
2001.
12.
0.
94 1 AAT4250 Slew Rate Controlled Load Switch Pin Descriptions Pin # SOT23-5 1 2 3 4 5 SC70JW 1 2, 3, 4, 5 n/a 6 7, 8 Symbol OUT GND NC ON/OFF IN Function P-channel MOSFET drain Ground connection Not internally connected Active-High Enable Input (Logic high turns the switch on) P-channel MOSFET source Pin Configuration SOT23-5 (Top View) OUT GND NC 1 2 3 5 IN 4 ON/OFF SC70JW-8 (Top View) OUT GND GND GND 1 2 8 7 3 4 6 5 IN IN ON/OFF GND 1 2 2 4250.
2001.
12.
0.
94 AAT4250 Slew Rate Controlled Load Switch Absolute Maximum Ratings Symbol VIN VON VOUT IMAX IDM TJ TLEAD VESD (TA=25°C unless otherwise noted) Value -0.
3 to 6 -0.
3 to 6 -0.
3 to VIN+0.
3 1.
7...


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