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Description
What it is
The MP1484EN is a step-down DC-DC voltage regulator, used to reduce a DC input voltage to a lower DC output voltage.
Features
- Input: 4.75V – 23V
- Output: 1.0V – 17V
- Maximum Current: 3A
- SKU: ARD009982
- Price: 1.97 €
What it is for
The MP1484EN is ideal for powering electronic projects such as Arduino, regulating the output voltage for various needs. It can be used to power LEDs, sensor modules, and other electronic components that require a specific voltage.
Tutorial: How to Use the MP1484EN Voltage Regulator
The MP1484EN voltage regulator is an essential component for anyone who wants to control electrical voltage in Arduino projects or other electronic systems. It is perfect for beginner and intermediate makers who want to power their devices with a stable voltage.
What you need
- MP1484EN
- Arduino Uno/Nano
- Connectors
- Connection Wires
Steps
- Connect the input of the regulator (VIN) to an external power supply, which can range from 4.75V to 23V.
- Connect the ground (GND) between the regulator and the Arduino.
- Connect the output (VOUT) to the VCC pin of the Arduino or to the device requiring power.
- Check the datasheet for the desired output voltage values, then adjust the resistor divider between the FB pin and GND to obtain the desired voltage (1.0V-17V).
- Connect a 1uF ceramic capacitor between VIN and GND near the regulator.
- If necessary, add an output filter capacitor to dampen any noise or oscillations.
Mini project
Create a controllable LED light using Arduino powered by MP1484EN. Adjust the voltage to turn on a red LED when the voltage is low and a green one when high.
Common mistakes
- Do not connect the GND pins correctly between the regulator and the main circuit.
- Omitting the output filter capacitor, causing oscillations.
- Setting the output voltage to the limit value without checking the component’s operating specifications on the datasheet.
Recommended accessories
- Arduino Uno/Nano
- Connections and Jumper Wires
- Ceramic Capacitors 1uF
Frequently asked questions
What is the minimum input voltage for the regulator?
Check the datasheet, but it is generally around 4.75V.
How much power can this regulator provide?
The maximum current value is 3A, check the desired voltage to determine the actual wattage.
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