Energy Harvesting

Synchronous Step-Up DC/DC Converter from Linear

Linear Technology Corp.
March 27, 2011

Suited for use in energy harvesting applications, the LTC3105 from Linear Technology Corp., Milpitas, CA, is a high-performance synchronous boost converter that incorporates maximum power-point control (MPPC) and starts up with inputs as low as 225 mV. Input range is 0.225–5 V, allowing the device to harvest energy from high-impedance alternative power sources, including photovoltaic cells, thermoelectric generators, and fuel cells. Features include internal 400 mA synchronous switches, Burst Mode operation with quiescent current of 24 µA, a user-programmable MPPC set point to maximize the energy that can be extracted from any power source without collapsing its internal voltage, an auxiliary LDO that delivers up to 6 mA of output current while the main output is charging, the ability to regulate VOUT when VIN>VOUT, and output disconnect in shutdown requiring 10 µA of quiescent current.


CompanyLinear Technology Corp.
CountryUnited States (USA)
Phone408-432-1900 x2419




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