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Lumenier 12V Step-Down Voltage Regulator


Tiger Motor F 30A 2-6S V2 ESC BLHeli_S w/ Dshot

5V Step-Down Voltage Regulator

5 5 5 1

Quick Overview

5V 600mA Step-Down Voltage Regulator by Pololu
In Stock


This micro sized step-down voltage regulator is perfect for supplying 5v power (from a higher voltage source like a 3s/4s Lipo) to your gear that needs specifically 5v range.  Power 5v flight cameras, LED lights or other gear that can only run on 5v.

The compact (0.4″ × 0.5″) D24V6F5 switching step-down (or buck) voltage regulator takes an input voltage between 7 V and 42 V and efficiently reduces it to 5 V while allowing for a maximum output current of 600 mA. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.


  • Input voltage: [output voltage + dropout voltage] to 42 V (see below for more information on dropout voltage)
  • Fixed 5V output with 4% accuracy
  • Maximum output current: 300 mA or 600 mA (depending on regulator version)
  • 550 kHz switching frequency
  • 2 mA typical no-load quiescent current (20 μA typical quiescent current with SHDN = LOW)
  • Integrated over-temperature and over-current shutoff
  • Small size: 0.5″ × 0.4″ × 0.1″ (13 mm × 10 mm × 3 mm)


The buck regulator has four connections: shutdown (SHDN), input voltage (VIN), ground (GND), and output voltage (VOUT).

The SHDN pin can be driven low (under 0.3 V) to turn off the output and put the board into a low-power state that typically draws 20 μA, and it can be driven high (above 2.3 V) to enable the board. If you do not need to use the shutdown feature, the SHDN pin can be directly connected to VIN to permanently enable the board. You should not leave this pin disconnected as this can result in unpredictable behavior.

The input voltage, VIN, should exceed VOUT by at least the regulator’s dropout voltage (see below for graphs of dropout voltages as a function of the load), and you must ensure that noise on your input does not exceed the 42 V maximum.


Typical Efficiency and Output Current

The efficiency of a voltage regulator, defined as (Power out)/(Power in), is an important measure of its performance, especially when battery life or heat are concerns. As shown in the graphs below, this switching regulator typically has an efficiency of 80% to 90%.

Additional Information

SKU 1448
Manufacturer Pololu
  1. 5V Step-Down Regulator review by Jonah on 12/5/2016

    Does exactly what it should, provides ample power to my naze32. The pins are very small so make sure you've got a soldering iron fine enough to work with them!

  2. Very simple review by Steven on 11/24/2016

    I love the simplicity of this regulator. It's as easy as soldering 3 wire. Its very dependable.

  3. tiny review by mariobeans on 11/22/2016

    Needed this regulator for my unregulated PDB. tiny. works.

  4. Newer product available review by gottjas on 5/8/2016

    This is just an FYI and not meant to be a knock on getfpv in any way. I've been very happy with the products and service I've received from getfpv!

    Pololu's website is recommending a newer product (D24V5F5) instead of this one (D24V6F5). The newer one can only support 500mA output vs the 600mA of this one, but it is more efficient at lower power consumption. I don't see the D24V6F5 currently offered by getfpv.

  5. Worked perfect as it needed to! review by aaron on 1/26/2016

    Figuring out how I wanted to solder it on the PDB was a little tricky at first, this was used on a QAV210 with a Naze32 board and OPTO ESC's so I needed 5V from somewhere to power the FC and didn't wanna use it from the transmitter. I soldered this on the to PDB then cut the header pins short, it fit great and it worked great.

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