Step-Down Voltage Regulator D36V6F3 - 3,3V 6A - Pololu 3791

Index: PLL-15274 EAN: 5904422372255

Step-down converter with 3.3 V output voltage. Maximum current up to 600 mA. Supply voltage from 4 V to 50 V.

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Manufacturer: Pololu

Product description: Polol D36V6F3 - step-down converter - 3.3 V 0.6 A

Astep-downconverter used to power systems operating at 3.3 V. The main advantage of the system is a wide range of input voltages from 4 Vto up to 50 V (the minimum value depends on thedrop-out voltage).The circuit allows for current consumption of up to600 mA,which is sufficient to power typical integrated circuits. We also offer a 5 V version and alowercurrent capacity of up to 300 mA.

D36V6F3 converter outputs

The module has four outputs:

  • VIN- input voltage from 4 V to 50 V, please pay attention to the drop-out value and short voltage pulses, which can damage the system
  • GND- ground potential
  • VOUT -output voltage
  • SHDN -providing a low state (logical zero) causes the system to switch to a low energy consumption state (about 2 uA). In order to start the system it is necessary to provide high state (logical one - voltage above 1.25 V). If the output will not be used, it can be connected to the neighboring VIN pin.

Przetwornica impulsowa step-up D24VxFx z wyprowadzeniami goldpin

The connectors are properly signed on the board. Outputs' Raster is 2.54mm (popular goldpin connectors). The module can be plugged into acontactboard,connected with wiresor soldered intoa dedicated PCB.

On customer's request we can deliver a chip with goldpin connectors soldered. For this purpose, please leave information in the commentary to the order.

Efficiency of the D36V6F3 inverter system

Efficiency is defined as the ratio of output power to input power (Power out)/(Power in). This is a very important parameter when working with portable energysources(batteries and accumulators), where the time of operation on one charging cycle counts. The efficiency of this pulse system isabout 80 % - 90 %.

Pololu D36V6F3

Voltage drop-out

The parameter referred to in the documentation asvoltag drop-outthennecessary for the proper functioning of the system,minimum difference between input and output voltage.For example, if the drop-out is 1 V and the desired output voltage is 5 V, the supply voltage should be higher than 6 V. The figures below show the drop-out voltage value for D24VxFx inverters.

Pololu D36V6F3

Dangerous voltage pulses

When connecting the power supply to the module, dangerous, short, high amplitude eclectic impulses (so-called pins) may appear, which may permanently damage the system. According to Polol's tests, for voltages above 20V, the pins may have an amplitude of over 42V. In order to protect against this undesirable phenomenon it is recommended to solder a capacitor of at least 33uF as close as possible to the pins powering the converter.

Technical specification of the Polol D24V6F3 inverter

Parameter Scope
Input voltage from 4 V* to 50 V
Output voltage 3,3 V
Maximum output current 600 mA
Switching frequency 2.1 MHz
Dimensions 13 mm × 10 mm × 3 mm
Weight 0,5 g

* minimum value depending on drop-out voltage

Length 13 mm
Width 10 mm
Height 3 mm
Voltage to 4.0 V
Voltage from 50.0 V
Voltage output from 3.3 V
Output voltage to 3.3 V
Current 0.6 A

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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