LTC3110 - Linear

LTC3110 2A Bidirectional Buck-Boost DC/DC Regulator

The LTC®3110 is a 2A bidirectional buck-boost DC/DC regulator with capacitor charger and balancer. Its wide 0.1V to 5.5V capacitor/battery voltage and 1.8V to 5.25V system backup voltage ranges make it well suited to a wide variety of backup applications using supercapacitors or batteries. A proprietary low noise switching algorithm optimizes efficiency with.

Features

n VCAP Operating Range: 0.1V to 5.5V n VSYS Operating Range: 1.71V to 5.25V n Automatic Switchover from Charge to Backup Mode n Programmable ±2% Accurate Charge Input Current Limit from 125mA to 2A n ±1% Backup Voltage Accuracy n Automatic Backup Capacitor Balancing n Fixed 1.2MHz Switching Frequency n Burst Mode® Operation: 40μA Quiescent Current n Built-In Programmable Multipurpose Comparator with Open-Collector Output n Open-Collector Outputs to Indicate Direction of Operation and End of Charge n Thermally Enhanced TSSOP-24 and 4mm × 4mm QFN-24 Packages APPLICATIONS n Supercapaci.