AAT4621 Datasheet - Skyworks

AAT4621, PC Card Current Limit Interface and Capacitor Charger

DATA SHEET AAT4621 PC Card Current Limit Interface and Capacitor Charger General .
The AAT4621 SmartSwitch family is a current limited P-channel MOSFET power switch designed for high-side load-switching applications in PC Card GSM/GP.

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Datasheet Details

Part number:

AAT4621

Manufacturer:

Skyworks

File Size:

844.66 KB

Description:

PC Card Current Limit Interface and Capacitor Charger

Features

* Operating Voltage Range: 3.0V to 5.5V
* Dual Independent Current Limits ▪ AAT4621: 75mA to 1200mA ▪ AAT4621-1: 150mA to 2400mA ▪ ±10% Current Accuracy
* Reverse Current Blocking Protection
* Power Loop
* Low Quiescent Current ▪ 40μA Typical ▪ 1.0μA Max with

Applications

* in PC Card GSM/GPRS/3G modem cards. Used in conjunction with a super capacitor, the AAT4621 will ensure that the power ratings of the PCMCIA host are not exceeded at any time. Featuring two independent, programmable current limits and a power loop, the AAT4621 can ensure that the super capacitor can

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AAT4621 Card Current Limit Interface and Capacitor Charger Skyworks

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