Pololu 5V Step-Up/Step-Down Voltage Regulator S10V4F5

Item number: 2018932

EAN: 4260513995019

Pololu item #: 2121

This switching regulator uses the SEPIC topology to produce 5V from input voltages between 2.5V and 18V. The wide input range coupled with its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 5V. The compact (0.4?נ0.575?) module can supply over 400mA in typical applications.

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Old price: 4,41 €
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The Pololu step-up/step-down voltage regulator S10V4F5 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-to-DC converter) with a single-ended primary-inductor converter (SEPIC) topology. It takes an input voltage from 2.5V to 18V and increases or decreases the voltage to a fixed 5V output with a typical efficiency of 70% to 80%.

This flexibility in input voltage is especially well-suited for battery-powered applications in which the battery voltage begins above 5V and drops below as the battery discharges. Since it lacks the typical restriction that the battery voltage stay above the required voltage throughout its life, new battery packs and form factors can be considered. For instance, a 4-cell battery holder, which might have a 6V output with fresh alkalines but a 4.8V nominal voltage with NiMH cells and a 4V output with partially discharged cells, can now be used for a 5V circuit. In another typical scenario, a disposable 9V battery powering a 5V circuit can be discharged to under 3V instead of cutting out at 6V, as with typical linear or step-down regulators.

In typical applications, this regulator can deliver over 400mA continuous; please see the graphs at the bottom of this page for a more detailed characterization. The regulator’s thermal shutdown prevents damage from overheating, but it does not have short-circuit or reverse-voltage protection.

This regulator is also available with a fixed 9V output or a fixed 12V output.

Features:
  • Input voltage: 2.5V to 18V (can be higher than, the same as, or lower than the 5V output)
  • Fixed 5V output with 4% accuracy
  • Typical continuous output current: 400mA (actual continuous output current depends on input voltage; see Typical Efficiency and Output Current section below for details)
  • <2mA typical no-load quiescent current
  • Integrated over-temperature shutoff
  • Small size: 0.40?נ0.575?נ0.1? (10mmנ15mmנ3mm)

Shipping weight: 0,00 Kg
Dimensions ( length width height ): 2,00 1,00 0,50 cm
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