Description

Micropower High Efficiency 3.3/5V Step-Up DC/DC Converter Features: Up to 220mA Output Current at 5V from 2V Supply Supply Voltage as Low as 1.8V Up to 88% Efficiency Small Inductor –10µH 120µA Quiescent Current Shutdown to 10µA Programmable 3.3V or 5V Output ILIM Pin Programs Peak Switch Current Low VCESAT Switch: 170mV at 1A Typical Uses Inexpensive Surface Mount Inductors 8-Lead DIP or SOIC Package