Pololu Step-Down Voltage Regulator D15V35F5S3 - 3,3V-5V 3,5A

Converter pulse step-down. Input voltage 4.5 V to 25 V. the output Current is 3.5 A. the output Voltage is 3.3 V or 5 V.

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Price 59,90 zł


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  • Input voltage: from 4.5 V to 24 V
  • Output voltage 5 V or 3.3 V
  • Continuous output current: 3.5 A
  • Momentary maximum output current: 4.5 A
  • Switching frequency to 700 kHz
  • Small size: 43 x 12 x 8 mm
  • Weight: 3 g




Effective system of the transmitter pulse power, allowing for the consumption of DC to 3.5 A (temporary up to 4.5 A). The advantage of the Converter D15V35F5S3 is the ability to select output voltage using jumper. There are two most popular standards: 3.3 V and 5 V.


Method of application

The module has three pins: input , VIN, weight - GND, out - OUT and jumper voltage selection 3v3 SEL.

 Wymiary przetwornicy step-down


Pin EN (enable) - after podciągnięciu to ground switches the converters in the sleep mode (the system receives then about 150uA). On the Board is a podciągający resistor between EN and VIN which means that the Converter is enabled by default.


Pin VIN (input) - input. Valid range: 4.5 V to 24 V.


VOUT Pin (output) - output voltage depends on the setting of jumper 3v3 SEL. If the contacts are closed, the output voltage is 3.3 V, otherwise, 5 V.



The average system efficiency is between 80% to 90%. For example, when the input voltage is 12V output 5V was selected and the average current consumption of the system is about 1.8 A. the Efficiency is 90%. This means that the output power will be determined by the formula:

(Output current) × (output Voltage)= 1.8 A × 5 V = 9 W

Input power and will be about 10 WATTS. 1W will be introduced in the form of heat.

The input current can be calculated by the formula 10 W / 12 V= 0,83 A.

With these parameters, the loss in the linear regulator wynosiłyby to 13 W.


Schemat D15V35F5S3 3.3V

Schemat D15V35F5S3 5V


  • Current 3.5 A
  • Stabilizer - Type2 switching
  • Stabilizer - Type step-down


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The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

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by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.