AAT4612IGV-T1 datasheet - Current Limited Load Switch

Details, datasheet, quote on part number: AAT4612IGV-T1
PartAAT4612IGV-T1
CategoryPower Management => AC-DC Controllers/Converters => High & Low Side Switch
DescriptionCurrent Limited Load Switch
CompanyAdvanced Analogic Technologies
DatasheetDownload AAT4612IGV-T1 Datasheet
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Features, Applications
Current Limited Load Switch General Description

The AAT4612 SmartSwitchTM is a member of AnalogicTech's Application Specific Power MOSFETTM (ASPMTM) product family. is a Current Limited P-channel MOSFET power switch designed for high-side load-switching applications operating with inputs ranging from to 5.5V which makes it ideal for both 3V and 5V systems. An integrated current-limiting circuit protects the input supply from large currents which potentially cause the supply to fall out of regulation. In addition, the AAT4612 thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. Due to its low RDS(ON), the AAT4612 can be used to control loads that require to 1A even while operating at high ambient temperatures. The ultra fast current-limit response to a sudden short circuit is a mere 500ns which reduces the requirements of local supply bypassing. Quiescent current is a low 10�A and in shutdown mode, the supply current decreases to less than 1�A. The AAT4612 is available 5-pin SOT23, and 8-pin SC70JW specified over to 85�C temperature range. The AAT4600 Series is a family of adjustable and fixed SmartSwitchTM products with a range of current handling capabilities. Available are single versions with adjustable current limit AAT4601) as well as fixed current limit (AAT4625), and dual versions with fixed current limit (AAT4626, AAT4670).

Features

to 5.5V Input voltage range 1A current limit trip threshold Fast transient response: <1�s response to short circuit Low quiescent current 10�A typ 1�A max with Switch off 100m typical R DS(ON) Undervoltage Lockout Thermal Shutdown Temp range 85�C 4kV ESD Rating 5-pin SOT23 package 8-pin SC70JW package

Applications
Peripheral ports Notebook computers Personal communication devices Hot swap supplies

P-channel MOSFET drain Ground connection Not internally connected Active low enable Input P-channel MOSFET source

Current Limited Load Switch Absolute Maximum Ratings
VIN VON VOUT Iout TJ VESD TLEAD (TA=25�C unless otherwise noted)
Description

IN to GND ON to GND OUT to GND Output Current Operating Junction Temperature Range ESD Rating1--HBM Maximum Soldering Temperature (at Leads)

Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time. Note 1: Human body model a 100pF capacitor discharged through a 1.5k resistor into each pin.

Maximum Thermal Resistance (SOT23-5, SC70JW-8) Maximum Power Dissipation (SOT23-5, SC70JW-8)
VIN IQ IQ(OFF) ISD(OFF) VUVLO VUVLO(hys) RDS(ON) ILIM VON(L) VON(H) ION(SINK) tRESP TOFF TON OTMP

(VIN to 85�C unless otherwise noted. Typical values are at TA=25�C; bold values denote full temperature range) Description

Operation Voltage Quiescent Current Off Supply Current Off Switch Current Undervoltage Lockout Undervoltage Lockout Hysteresis On-Resistance Current Limit ON Input Low Voltage ON Input High Voltage ON Input leakage Current Loop Response Turn-Off Time Turn-On Time Over Temperature Shutdown

VIN ON = active, IOUT ON = inactive, VIN ON = inactive, VIN = 5.5V, VOUT = 0 VIN falling = 25�C VOUT = VIN - 0.5V VIN 5.5V 3 VIN 2.7V 4.2V VIN 5.0V 3 VON = 5.5V VIN = 5V VIN = 10 VIN = 10

Note 3: For VIN outside this range consult typical ON threshold curve. 4612.2002.1.0.9

 

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