Pololu 24V Step-Up Voltage Regulator U3V50F24

$23.00 Inc. GST
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The powerful Pololu 24V Step-Up Voltage Regulator U3V50F24 efficiently generates an output voltage of 24 V from an input voltage as low as 2.9 V while allowing an input current as high as 5 A.

These boost (step-up) voltage regulators generate higher output voltages from input voltages as low as 2.9 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have a typical efficiency between 80% to 95%. The available output current is a function of the input voltage, output voltage, and efficiency (see the Typical Efficiency and Output Current section below), but the input current can typically be as high as 5 A. This regulator is available with a fixed 5 V, 6 V, 9 V, 12 V, or 24 V output:

The U3V50x regulator family also includes two adjustable-output versions: the U3V50ALV offers an output range of 4 V to 12 V and the U3V50AHV offers an output range of 9 V to 30 V. The different versions of the board all look very similar, so the bottom silkscreen includes a blank space where you can add your own distinguishing marks or labels.

The no-load quiescent current will typically be between 1 mA and 5 mA for most combinations of input and output voltages, though the combination of a very high output voltage and a very low input voltage (e.g. when boosting from 3 V in to 30 V out) can result in quiescent currents on the order of a few dozen milliamps. The ENABLE pin can be used to put the board in a low-power state that reduces the quiescent current to approximately 20 µA per volt on VIN.

This regulator has built-in reverse-voltage protection, over-current protection, thermal shutdown (which typically activates at 165°C), and an under-voltage lockout that causes the regulator to turn off when the input voltage is below 2.5 V (typical).

Features

  • Input voltage: 2.9 V to VOUT
  • Fixed 5 V, 6 V, 9 V, 12 V or 24 V output with 4% accuracy
  • 5 A switch allows for input currents up to 5 A
  • Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, and under-voltage lockout
  • Typical efficiency of 80% to 95%, depending on input voltage, output voltage, and load
  • Compact size: 1.9″ × 0.6″ × 0.41″ (48 × 15 × 10.5 mm)
  • Two mounting holes for #2 or M2 screws
  • Smaller holes for 0.1″ header pins and larger holes for terminal blocks offer several options for connecting to the board

(Pololu product 2569)

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