Description
The AAT4621 SmartSwitch family is a current limited P-channel MOSFET power switch designed for high-side load-switching applications in PC Card GSM/GPRS/3G modem cards.
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 Switch Off.
- 65m Typical RDS(ON) at 3V.
- System READY Output with Externally Programmable
Hysteresis.
- Only 1.4V Needed for Enable Control Pin.
- Un.