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5V Step-Up/Step-Down Voltage Regulator S9V11F5

5V Step-Up/Step-Down Voltage Regulator S9V11F5
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מחיר ₪110
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דגם 2836
יצרנים pololu
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5V Step-Up/Step-Down Voltage Regulator S9V11F5

 

The S9V11F5 switching step-up/step-down regulator efficiently produces 5 V from input voltages between 2 V and 16 V. (Note: it requires an input voltage of at least 3 V to start, but it can operate down to 2 V after startup.) 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 5 V. The very compact (0.3″ × 0.45″) module has a typical efficiency of over 90% and can supply a typical output current of up to 1.5 A when the input voltage is around 5 V.

The S9V11x family of efficient switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) use a buck-boost topology to convert both higher and lower input voltages to a regulated output voltage. They take input voltages from 2 V to 16 V and increase or decrease them as necessary, offering a typical efficiency of over 85% and a typical output current of up to 1.5 A. The flexibility in input voltage offered by this family of regulators is especially well-suited for battery-powered applications in which the battery voltage begins above the regulated voltage 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.

The different members of this family offer different output voltage options, from fixed voltages with selectable alternatives to adjustable voltages that can be set anywhere between 2.5 V and 9 V using a precision 12-turn potentiometer. Some versions also have an adjustable low-voltage cutoff that can be set anywhere in the 2 V to 16 V output voltage range and used to prevent your battery from over-discharging. This is particularly useful for battery chemistries that can be damaged when over-discharged, including Li-ion and LiPo.

Features

  • Input voltage: 2 V to 16 V (note: this regulator requires 3 V to start, but it can operate down to 2 V after startup)
  • Fixed 5 V output with +5/-3% accuracy
  • Typical maximum continuous output current: 1.5 A (when input voltage is around 5 V; the Typical Efficiency and Output Current section below shows how the achievable continuous output current depends on the input voltage)
  • Power-saving feature maintains high efficiency at low currents (quiescent current is less than 0.2 mA)
  • Integrated over-temperature and short-circuit protection
  • Small size: 0.3″ × 0.45″ × 0.15″ (7.6 × 11.4 × 3.8 mm)

Dimensions

Size: 0.3″ × 0.45″ × 0.15″1
Weight: 0.5 g1

General specifications

 

Minimum operating voltage: 2 V2
Maximum operating voltage: 16 V
Maximum output current: 1.5 A3
Output voltage: 5 V
Reverse voltage protection?: N
Maximum quiescent current: 0.2 mA4

 

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5V Step-Up/Step-Down Voltage Regulator S9V11F5
לחץ להגדיל
5V Step-Up/Step-Down Voltage Regulator S9V11F5
לחץ להגדיל
5V Step-Up/Step-Down Voltage Regulator S9V11F5
לחץ להגדיל