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AAT4618

Features: • 2.4V to 5.5V Input voltage range• 500mA min current limit trip threshold• Fast transient response:• 400ns response to short circuit• Low quiescent current• 10µA typical• < 1µA with Switch off• 125mΩ typical RDS(ON)...

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SeekIC No. : 004261230 Detail

AAT4618: Features: • 2.4V to 5.5V Input voltage range• 500mA min current limit trip threshold• Fast transient response:• 400ns response to short circuit• Low quiescent current&#...

AAT4618 Data Sheet

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Part Number:
AAT4618
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 2.4V to 5.5V Input voltage range
• 500mA min current limit trip threshold
• Fast transient response:
• 400ns response to short circuit
• Low quiescent current
• 10µA typical
• < 1µA with Switch off
• 125mΩ typical RDS(ON)
• FAULT flag with 4ms blanking
• Undervoltage Lockout
• Thermal shutdown
• Temp range -40 to 85}
• 4kV ESD Rating
• 5 pin SOT23 package
• 8 pin SC70JW package




Application

• Peripheral ports
• USB Ports
• Notebook computers
• Personal communication devices
• Hot swap supplies




Pinout

Connection Diagram




Specifications

Symbol
 Description
Value
Units
VIN, FAULT
 IN, FAULT to GND
-0.3 to 6
V
VON
 ON (ON) to GND
-0.3 to VIN+1
V
VOUT
 OUT to GND
-0.3 to VIN+0.3
V
IOUT
 Output Current
Internally Limited
A
TJ
 Operating Junction Temperature Range
-40 to 150
VESD
 ESD Rating1-HBM
4000
mW
TLEAD
 Maximum Soldering Temperature (at Leads)
300





Description

The AAT4618 SmartSwitch™ is a member ofAnalogicTech's Application Specific Power MOS-FET™ (ASPM™) product family. It is a CurrentLimited P channel MOSFET power switch designedfor high-side load-switching applications operatingwith inputs ranging from 2.4V to 5.5V which makes itideal for 2.5V, 3V and 5V systems. An integrated cur-rent-limiting circuit protects the input supply from largecurrents which potentially cause the supply to fall outof regulation. In addition, the AAT4618 thermal over-load protection limits power dissipation and junctiontemperatures associated with prolonged periods ofoperation in current limit. Due to its low RDS(ON),

theAAT4618 can be used to control loads that require upto 500mA even while operating at high ambient tem-peratures. The ultra fast current-limit response to asudden short circuit is a mere 400ns which reduces

the requirements of local supply bypassing. An opendrain FAULT flag signals an over current or over tem-perature condition after a 4ms timeout. Quiescentcurrent is a low 10µA and in shutdown mode, the sup-ply current decreases to less than 1µA.






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