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46112_large 5v step up step down voltage regulator

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5V Step-up/Step-down Voltage Regulator, input 2.7V-11.8V

4.93
This 5V step-up/step-down voltage regulator takes an input voltage from 2.7V to 11.8V and increases or decreases the voltage to a fixed 5V output.

Availability: In Stock.

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46112 £4.93
(£5.916 incl VAT)
OR

This step-up/step-down voltage regulator S7V7F5 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-to-DC converter) that uses a buck-boost topology. It takes an input voltage from 2.7V to 11.8V and increases or decreases the voltage to a fixed 5V output with a typical efficiency of over 90%.

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. Without the typical restriction on the battery voltage staying 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 4.0V 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 about 1A continuous when the input voltage is higher than 5V (stepping down) and 500mA continuous when the input is lower than 5V (stepping up); please see the graphs at the bottom of this page for a more detailed characterization. The regulator has short-circuit protection, and thermal shutdown prevents damage from overheating; the board does not have reverse-voltage protection.

Features:

  • Input voltage: 2.7V to 11.8V.
  • Fixed 5V output with +5/-3% accuracy.
  • Typical continuous output current: 1A when stepping down; 500mA when stepping up (Actual continuous output current depends on input voltage. See Typical Efficiency and Output Current section below for details).
  • Power-saving feature maintains high efficiency at low currents (quiescent current is less than 0.1mA).
  • Integrated over-temperature and short-circuit protection.
  • Small size: 9 12 3 mm.

Contents:

  • 1 x 5V Step Up/Step-down Voltage Regulator.
  • 1 x 3 pin headers of 2.54mm pitch - Straight.
  • 1 x 3 pin headers of 2.54mm pitch - right angled.

In Use:

  • The step-up/step-down regulator has just three connections: the input voltage (VIN), ground (GND), and the output voltage (VOUT). These three connections are labeled on the back side of the PCB, and they are arranged with a 2.54mm spacing along the edge of the board for compatibility with standard solderless breadboards and perfboards and connectors that use a 2.54mm grid. You can solder wires directly to the board or solder in either the 31 straight male header strip or the 31 right-angle male header strip that is included.

Dimensions:

  • PCB Length: 9mm.
  • PCB Width: 12mm.
  • PCB Height: 3mm.

Requires:


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Electrical characteristics:

  • Minimum operating voltage: 2.7V.
  • Maximum operating voltage: 11.8V.
  • Maximum output current: 1A.
  • Output voltage: 5V.
  • Reverse voltage protection?: N.
  • Maximum quiescent current: 0.1mA.
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