Datasheet Details
- Part number
- AAT4621
- Manufacturer
- Skyworks
- File Size
- 844.66 KB
- Datasheet
- AAT4621-Skyworks.pdf
- Description
- PC Card Current Limit Interface and Capacitor Charger
AAT4621 Description
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.
AAT4621 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
AAT4621 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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