Description

The FAN5601 is an advanced third generation switched capacitor step down DC/DC converter utilizing Fairchild’s proprietary ScalarPump™ technology. This innovative architecture utilizes scalar switch re-configuration and fractional switching techniques to produce low output ripple, low ESR spikes and improve efficiency over a wide load range.

Features

■ > 85 Peak Efficiency

■ Low EMI

■ Low Ripple

■ Output Voltage 1.3V/1.8V

■ Input Voltage Range: 2.2V to 5.5V

■ Output Current: Up to 250mA

■ ±2.5 Output Voltage Accuracy

■ 30µA Operating Current

■ ICC < 1µA in Shutdown Mode

■ 2MHz Operating Frequency

■ Shutdown Isolates Output from Input

■ Soft-Start Limits Inrush Current

■ Short Circuit and Over Temperature Protection

■ Minimum External Component Count

■ 6-Lead 3x3mm MLP Package

Applications

■ Cell Phones

■ Handheld Computers

■ Portable Electronic Equipment

■ Core Supply to Next Generation Processors

■ Low Voltage DC Bus

■ Digital Cameras

■ DSP Supplies