AAT4620 Datasheet - Skyworks

AAT4620 - PCMCIA Current Limit Interface and Capacitor Charger

The AAT4620 SmartSwitch is a current limited P-channel MOSFET power switch designed for high-side loadswitching applications in PCMCIA GSM/GPRS/3G modem cards. Used in conjunction with a super capacitor, the AAT4620 will ensure that the power ratings of the PCMCIA host are not exceeded at any time. .

AAT4620 Features

* VIN Range: 3.0V to 5.5V

* Dual Independent Current Limits ▪ 100mA to 1200mA ▪ ±10% Current Accuracy ▪ 20°C Temperature Band

* Reverse Current Blocking Protection

* Power Loop

* Low Quiescent Current ▪ 40μA Typical ▪ 1.0μA Max with Switch Off

* 65m T

AAT4620-Skyworks.pdf