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LTC3335 - Nanopower Buck-Boost DC/DC Converter

General Description

The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications.

Key Features

  • n 680nA Input Quiescent Current (Output in Regulation at No Load) n 1.8V to 5.5V Input Operating Range n Selectable Output Voltages of 1.8V, 2.5V, 2.8V, 3V, 3.3V, 3.6V, 4.5V, 5V n Integrated Coulomb Counter Measures Accumulated Battery Discharge n ±5% Battery Discharge Measurement Accuracy n Programmable Peak Input Current of 5mA, 10mA, 15mA, 25mA, 50mA, 100mA, 150mA, 250mA n Up to 50mA of Output Current n Up to 90% Efficiency n Programmable Coulomb Counter Prescaler for Wide Range of Batt.

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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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Features n 680nA Input Quiescent Current (Output in Regulation at No Load) n 1.8V to 5.5V Input Operating Range n Selectable Output Voltages of 1.8V, 2.5V, 2.8V, 3V, 3.3V, 3.6V, 4.5V, 5V n Integrated Coulomb Counter Measures Accumulated Battery Discharge n ±5% Battery Discharge Measurement Accuracy n Programmable Peak Input Current of 5mA, 10mA, 15mA, 25mA, 50mA, 100mA, 150mA, 250mA n Up to 50mA of Output Current n Up to 90% Efficiency n Programmable Coulomb Counter Prescaler for Wide Range of Battery Sizes n Programmable Discharge Alarm Threshold n I2C Interface n Low Profile (0.