Pololu 5V Step-Up Voltage Regulator U1V11F5

(1) 5 out of 5 stars Write reviewReport bug
  • Part No :
  • ROB-2637
  • Availability:
  • In Stock
  • Shipping :
  • Same Day
  • Weight:
  • 0.02Kg
  • Made By:
  • Pololu - USA
  • Mfr.Part.No:
  • 2562
  • Quality Rank:
  • 100/100
Price:
Rs 399
(Tax Excl.)
Quantity :
This 5 V boost (step-up) voltage regulator generates higher output voltages from input voltages as low as 0.5 V, and it also automatically switches to a linear down-regulation mode when the input voltage exceeds the output. This makes it great for powering 5 V electronics projects from 1 to 3 NiMH, NiCd, or alkaline cells or from a single lithium-ion cell. Additionally, unlike most boost regulators, this unit offers a true shutdown option that turns off power to the load (with typical boost regulators, the input voltage will pass directly through to the output when they are disabled).
When boosting, this module acts as a switching regulator (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and has a typical efficiency between 70% to 90%. The available output current is a function of the input voltage, output voltage, and efficiency (see Typical Efficiency and Output Current section below), but the input current can typically be as high as 1.2 A.
NOTE: The regulator’s thermal shutdown engages at around 140°C and helps prevent damage from overheating, but it does not have short-circuit or reverse-voltage protection.

Features:
  • Input voltage: 0.5 V to 5.5 V
  • Fixed 5 V output with 4% accuracy
  • True shutdown option that turns off power to the load
  • Automatic linear down-regulation when the input voltage is greater than the output voltage
  • 1.2 A switch allows for input currents up to 1.2 A
  • Good efficiency at light load: <1 mA typical no-load quiescent current, though it can exceed 1 mA for very low input voltages (<100 μA typical quiescent current with SHDN = LOW)
  • Integrated over-temperature shutoff
  • Small size: 0.45″ × 0.6″; × 0.1″ (12 × 15 × 3 mm)

Package Includes:

  • 1x Pololu 5V Step-Up Voltage Regulator U1V11F5
  • 1x 4 straight male header strip
  • 1x 4 right-angle male header strip
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Excellent Product

By Rithvik Verma from N/A on September 05, 2016
Good Booster
2 of 4 people found this review helpful
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    • Q
    • Please tell me about the pinout of this product.

      asked by Priyanshu Singh on September 05, 2016
    • A
    • The Pololu 5V Step-Up Voltage Regulator U1V11F5 has four connections: shutdown (SHDN), input voltage (VIN), ground (GND), and output voltage (VOUT).
      The SHDN can be driven low (typically under 0.4 V) to power down the regulator and turn off power to the load. It can be left disconnected or connected directly to VIN if you do not need to use the disable feature.
      The input voltage, VIN, must be at least 0.5 V for the regulator to turn on. However, once the regulator is on, the input voltage can drop as low as 0.3 V and the 5 V output voltage will be maintained on VOUT.

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Pololu 5V Step-Up Voltage Regulator U1V11F5