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How much technology has developed, how cool are the devices we use? No matter how cool it is, an electronic device needs electricity, that is, a power source. It is extremely important that the device is exposed to the correct voltage level while operating or charging with the power supply it is connected to. It is the system regulator that adjusts this voltage level and keeps it at the right level at all times.

Regulator is built into most devices but can also be used externally on much larger devices and machines. The regulator has a simple working principle. It takes the current and brings it to the right level, simple as that. If we consider the possibility of a simple but not subject to the right voltage to be padded, we understand that it is of vital importance. What is a regulator, what it does, what are its types , let’s take a closer look.

What is a regulator?

Voltage regulator, or regulator for short; is a system that ensures that machines and devices that are connected to a power source or charged are exposed to the correct voltage level during the time they are connected . Linear, that is, feed forward or negative feedback, the regulator acts as a buffer in case of a possible voltage change, preventing damage to the machine or device equipment connected to the power supply.

What does a regulator do?

Let’s think like this; You are driving at a certain speed, but for a moment you lost control and you are about to crash into something. Fortunately, the car is surrounded by absorbent materials that are strong enough to almost eliminate the impact. The car crashed into a tree, but your nose didn’t even bleed. The regulator for electronic devices assumes this task.

Today, electrical circuits and grounding systems are extremely successful. However, electrical power can get out of control due to many different reasons. It is a regulator that ensures that the energy, which has managed to pass through many different stations in an uncontrolled manner, calms down without damaging the connected device or machine after it comes out of the power source.

How does the regulator work?

Although it varies according to its types, a standard regulator has three basic components; Feedback Circuit, Stable Reference Voltage, and Transition Element Control Circuit. The Feedback Circuit detects changes in the DC voltage output, generates a Stable Reference Voltage signal, and the Transition Element Control Circuit regulates the changes it learns from the signal to set the correct voltage.

In other words, the regulator components momentarily control the voltage, observe the changes, notice the change and eventually absorb the excess and bring it to the right level to prevent this change from damaging the device or the machine. Such an advanced system is extremely surprising, as some regulators are small, dollar-sized devices.

Regulator typesdollarseries:

  • Linear voltage regulator
    • Serial regulator
    • Shunt regulator
  • Switching voltage regulator
    • Step up regulator
    • Step down regulator
    • Inverter regulator

Linear voltage regulator:

The linear voltage regulator acts as a voltage divider and is used to regulate power supplies. The standard regulator is a linear voltage regulator. It gives low output surge voltage, has a fast response time, is less noisy but not very efficient, requires large space because it needs a heatsink, and does not increase the input voltage.

Linear voltage regulator is divided into two as series and shunt. The series regulator uses a special component and voltage regulation is made by changing the resistance of this component . The shunt regulator sends a variable resistor from the supply voltage to ground. Shunt is a simple system but less efficient than series.

Switching voltage regulator:

Switching voltage regulator, unlike linear, operates with negative feedback. As soon as it detects a different voltage, it turns off a component and goes back before that change reaches the connected device. The size, weight and power control of the switching voltage regulator is extremely efficient. But its negative features are high output ripple voltage, slow response time, noisy and expensive.

Switching voltage regulator It is divided into three as Step up, Step down and Inverter. Step up regulator reduces the output voltage, Step down regulator reduces the input voltage, Inverter regulator makes special arrangements according to the needs. Each type has positive and negative features according to the device and machine used.

If our electronic devices always get the correct voltage , what is the regulator, how does it work, what are its types and we talked about the details you need to know about this system.


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Michael Lewis

Ich bin ein in Deutschland lebender Website-Software-Ingenieur. In meiner Nebentätigkeit schreibe ich Artikel für die Website Latestnews.plus.

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