Step-Down Voltage Converter D36V28F3 - 3,3V 3,6A - Pololu 3781

Index: PLL-17168 EAN: 5903351242820

A step-down converter with a 3.3 V output voltage and current capacity from 3.2 A to 4.5 A (typical 3.6 A). The supported input voltage is 4.5 V to 50 V. Module dimensions are 20 x 18 mm.

Step-Down Voltage Converter D36V28F3 - 3,3V 3,6A - Pololu 3781
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Manufacturer: Pololu

Product description: D36V28F3 - step-down converter - 3.3 V 3.6 A - Polyol 3781.

A step-down (buck) typeinverterwith an output voltage of 3.3 V and a currentcapacity of3.2 A to 4.5 A (typical3.6 A).The supported input voltage is4.5 V to 50 V. Module dimensions are 20 x 18 mm.

D36V28F3 inverter outputs

Pin Description
VIN Input voltage.
GND Mass potential.
VOUT Output voltage.
ENABLE If a low-voltage state below 1 volt is given), the system will go into a low energy consumption state (approx. 10 μA). The pin is pulled to the supply voltage through a 270 kΩ resistor, which makes the system switched on by default.
PG Pin "Power Good" open-drain. It goes into a low state when the output voltage drops below 85 % of its nominal value. If this pin is used, a pull-up resistor, e.g. 10 kΩ, must be connected.

Przetwornica step-down D36V28F3

The connectors are described accordingly on the board. The output roaster is 2.54 mm. The device can be plugged directly into thecontactboard,connected with wiresor soldered intoa dedicated PCB.

Przetwornica step-down D36V28F3D36V28F3 converter.

Inverter system efficiency

Efficiency is defined as the ratio of output power to input power (Power out)/(Power in). This is an important parameter in the case of operation with portable power sources, where time is counted per charge cycle. The efficiency of this system is about 80% - 90%.

Sprawność przetwornicy D36V28F3

The efficiency graph of the system.

Specification of the D36V28F3 step-down converter

  • Input voltage: 4.5 V to 50 V
  • Output voltage: 3,3 V
  • Accuracy of output voltage: 4%
  • Continuous output current: 3,6 A
  • Efficiency of 80% - 90%
  • Protection against inverse polarity and against too high a current, voltage and temperature
  • Switching frequency: approx. 500 kHz
  • Soft-start function
  • Two 2.2 mm (M2) mounting holes
  • Dimensions: 20 x 18 mm
  • Weight: 3,3 g

Przetwornica ze złączami

The set includes an inverter and connectors for self-soldering.

Length 20 mm
Width 18 mm
Height 9 mm
Voltage to 4.5 V
Voltage from 50.0 V
Voltage output from 3.3 V
Output voltage to 3.3 V
Current 3.6 A
Package width 8 cm
Package height 0.8 cm
Package depth 9 cm
Package weight 0.005 kg

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Product reviews

Step-Down Voltage Converter D36V28F3 - 3,3V 3,6A - Pololu 3781

5/5

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Marek G. 03.02.2021 Confirmed purchase Translated review
What can I say, the tension keeps not warming up.

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