FemtoBuck LED Driver

FemtoBuck LED Driver
  • FemtoBuck LED Driver 100x80
  • FemtoBuck LED Driver 100x80
  • FemtoBuck LED Driver 100x80
  • FemtoBuck LED Driver 100x80
  • FemtoBuck LED Driver 100x80
Artikelnr.55297
MerkSparkfun
ModelCOM-13716
Voorraad
Nog ... stuks op voorraad
Vandaag voor 23:59 besteld, morgen in huis.
Verzonden vanaf  € 25 - United States
Verkocht per stuk
€ 8,95
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  • Koop 10 stuks voor € 8,65 per stuk3% korting
  • Koop 25 stuks voor € 8,35 per stuk7% korting
  • Koop 50 stuks voor € 8,05 per stuk10% korting
  • Koop 100 stuks voor € 7,75 per stuk13% korting
  • Koop 500 stuks voor € 7,45 per stuk17% korting

Beschrijving

This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog signal from 0-2.5V. This board is based off of the PicoBuck LED Driver, developed in collaboration with Ethan Zonca, except instead of blending three different LEDs on three different channels the FemtoBuck controls just one.

For the FemtoBuck, we’ve increased the voltage ratings on the parts to allow the input voltage to cover the full 36V range of the AL8805 driver. Since the FemtoBuck is a constant current driver, the current drawn from the supply will drop as supply voltage rises. In general, efficiency of the FemtoBuck is around 95%, depending on the input voltage. On board each FemtoBuck you will find two inputs for both power input and dimming control pins and an area to install a 3.5mm screw terminal. Finally at either side of the board you will find small indents or "ears" which will allow you to use a zip tie to secure the wires to the board after soldering them down. This version of the FemtoBuck is equipped with a small solder jumper that can be closed with a glob of solder to double the output current from 330mA to 660mA.

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