LCD-LED DisplayVoltage Regulators Circuit Diagrams

REFLECTOR (BUCK-BOST) REGULATOR SCHEMATIC CIRCUIT DIAGRAM

The use of switched-mode voltage regulators has increased considerably in recent years in parallel with technological developments. Several different types of switching regulators are designed. In this chapter; The general characteristics of the type of inverting or buck-boost used in the design of the switched-mode voltage regulators will be examined and the basic logic will be explained.

When the input is positive, the output is negative. The value of the output voltage may be equal to or less than the regulated input voltage. The value of the output voltage is determined by the control environment. A simple circuit for a typical directional switching regulator circuit is given in figure 2.6.

REFLECTOR (BUCK-BOST) REGULATOR SCHEMATIC CIRCUIT DIAGRAM 1

In order to understand how the dynamics work; let’s consider the output voltage V0 <0 and the switch S switch closed. In this case, the diode is a diode cut because the cathode is positive and the anode is negative. C capacitor RL is discharged through the load resistor, the inductor current increases with respect to VIN · tON / L.

When the switch is turned on, the LED will not change immediately and the diode will be forced to ON, then L, C, and D will flow around the capacitor C to charge the bottom of the capacitor positive and the top capacitor to the negative. So the output of the mission will be negative polarity. In such a regulator, the output voltage V0 can be formulated as follows.

REFLECTOR (BUCK-BOST) REGULATOR SCHEMATIC CIRCUIT DIAGRAM 2

A regulator is a device that has the function of maintaining a designated characteristic. It performs the activity of managing or maintaining a range of values in a machine.

Monitoring compliance with contractual obligations to the government and users, and other legal and regulatory requirements. Establishing technical, safety, and quality standards (if not defined in the contract agreements) and monitoring their compliance. Imposing penalties for non-compliance.
Regulators are often referred to as warm-blooded animals. Examples of this class – Are mammals and birds. They maintain constant body temperature by working on temperatures through heat production and metabolic processes.
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