
Fairchild Semiconductor
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