LTC3125 Datasheet | Linear Technology

1.2A Synchronous Step-Up DC/DC Converter with Input Current Limit Features n Programmable Average Input Current Limit n 5% Input Current Accuracy n 200mA to 1000mA Program Range n VIN: 1.8V to 5.5V, VOUT: 2V to 5.25V n Supports High Current GSM/GPRS Load Burst n VIN > VOUT Operation n 1.6MHz Fixed Frequency Operation n Internal Current Sense Resistor n 1.2A Peak Current Limit n Up to 93% Efficiency n Output Disconnect in Shutdown n Soft-Start n Low Quiescent Current Burst Mode® Operation n Available in 2mm × 3mm × 0.75mm DFN Package APPLICATIONS n GSM/GPRS PCMCIA/pactFlash PC Card Modems n Wireless Emergency Locators n Portable Radios n Supercap Chargers DESCRIPTION The...