D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter
D24V6AHV step-down converter - zdjęcie 1
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D24V6AHV step-down converter - zdjęcie 5
D24V6AHV step-down converter - zdjęcie 6
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Step-Down Voltage Regulator D24V3ALV - 2,5V - 7,5V 0,3A - Pololu 2101

Index: PLL-01352

A small pulse inverter module. Input voltage 4.5 V to 42 V. Adjustable range output voltage: 2.5 V TO 7.5 V. Maximum output current 300 mA.

€6.95
€5.65 tax excl.

Available, 24h shipping!
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Manufacturer: Pololu

Product Description: PololD24V3ALV - 2.5V step-down converter - 7.5V 0.3A.

The adjustable DC-DC converter has a wide input voltage range from 4.5 V to 42 V. It has an efficiency of 80%. The output voltage is set using a potentiometer. The available range is 2.5 V to 7.5 V. The output voltage must not exceed the input voltage.

Polol D23V3ALV inverter outputs

The module has four outputs:

  • VIN - input voltage,
  • GND - mass potential,
  • VOUT - output voltage,
  • SHDN - system shutdown.

If the SHDN pin shows a low state (below 0.3 V), the inverter is switched off and the current consumption does not exceed 20 uA. If the high state (above 2.3 V) appears on the SHDN pin, the system will be activated again. The output can be permanently connected to the VIN or left unconnected if the shutdown mode is not used.

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

Output voltage is determined by means of a potentiometer. Setting the voltage higher than input will not damage the system. However, large oscillations will occur. So it is recommended not to set the voltage higher than the input one.

Output voltage oscillogram. VIN is 5V. VOUT is set above 5V.

Output voltage selection

Turning the potentiometer clockwise will increase the output voltage.

The graph showing the relation between the output five and the potentiometer position for 4-25V and 2.5-7.5V converters.

Efficiency and output current

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 energy sources (batteries and accumulators), where the time of operation on one charging cycle counts. The efficiency dependence on the input voltage is shown in the graphs below.

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. Polol's tests show that for voltages above 20V, the pins may have an amplitude exceeding 42V. In order to protect against this undesirable phenomenon it is recommended to solder a capacitor of at least 33 uF as close as possible to the pins powering the converter.

More details on the manufacturer's website .

Technical specifications of the step-down 2.5 V - 7.5 V 0.3 A

  • Input voltage: 4.5 V to 42 V
  • Output voltage adjustable: 2.5 V to 7.5 V
  • Maximum output current: 300 mA
  • 500 kHz switching frequency
  • Built-in protection (breaker) to protect against excessive current consumption and excessive temperature
  • Dimensions: 15.3x 10.2 x 4mm
  • Weight: 1g (without connectors)
Length 15 mm
Width 10 mm
Height 4 mm
Voltage to 4.5 V
Voltage from 42 V
Voltage output from 2.5 V
Output voltage to 7.5 V
Current 0.3 A
Stabilizer - Type2 switching
Stabilizer - Type step-down

Same day shipping

Posting the payment for the order on our account on a business day up to 10 AM means sending the goods on the same day!

The time of payment depends on the ELIXIR's hours session of the sender's bank and the recipient of the transfer. It may take up to 2-4 working days.

Free delivery for orders exceeding 300 PLN!

Only for prepaid orders shipped to Poland.

Terms of delivery outside of Poland

GLS - zone 1

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

  • Delivery time: 2-4 days
  • Delivery cost: 35 PLN
  • Insurance: 5000 PLN
GLS - zone 2

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

  • Delivery time: 2-5 days
  • Delivery cost: 50 PLN
  • Insurance: 5000 PLN
Kurier GLS - zone 3

Finland, Greece, Ireland, Sweden, Cyprus, Malta, Spain

  • Delivery time: 2-7 days
  • Delivery cost: 80 PLN
  • Insurance: 5000 PLN

Terms of delivery in Poland

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Poczta Polska
  • Delivery time: 1-3 days
  • Payment in advance: od 9,90 PLN
  • Cash on delivery: 17,90 PLN
  • Insurance: 1000 PLN
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Kurier GLS
  • Delivery time: 1-2 days
  • Payment in advance: od 14,90 PLN
  • Cash on delivery: 22,90 PLN
  • Insurance: 6000 PLN
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Paczkomaty 24/7
  • Delivery time: 1-3 days
  • Payment in advance: od 12,90 PLN
  • Over 8000 parcel lockers
  • Insurance: 200 PLN
  • Free delivery of orders over 300 PLN does not apply to parcels addressed outside of Poland.
  • The delivery period is counted in working days from the date of dispatch of the order.

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