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LTC3125 - 1.2A Synchronous Step-Up DC/DC Converter

General Description

The LTC®3125 is a high efficiency, synchronous step-up DC/DC converter with an accurate programmable average input current limit.

The resistor programmable average input current limit is 5% accurate at 500mA and is suitable for a wide variety of applications.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC3125 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.