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Pololu 3.3V Step-Up Voltage Regulator U1V11F3
This compact (0.45″×0.6″) U1V11F3 switching step-up (or boost) voltage regulator efficiently generates 3.3 V from input voltages as low as 0.5 V. Unlike most boost regulators, the U1V11F3 offers a true shutdown option that turns off power to the load, and it automatically switches to a linear down-regulation mode when the input voltage exceeds the output. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
Alternatives available with variations in these parameter(s): output voltage Select variant…
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Pololu step-up voltage regulator U1V11F3/U1V11F5 with included hardware.
Pololu step-up voltage regulator U1V11F3/U1V11F5/U1V11A, bottom view with dimensions.
Pololu step-up voltage regulator U1V11F3/U1V11F5 in a breadboard.
Typical efficiency of Pololu 3.3V step-up voltage regulator U1V11F3.
Pololu Step-Up Voltage Regulator U1V11x schematic diagram.