Linear Voltage Regulators are used to maintain a constant output voltage regardless of variations in input voltage or load conditions. They are commonly employed in electronic circuits to provide stable and reliable power supply voltages for integrated circuits (ICs), sensors, and other components. Linear regulators operate by dissipating excess voltage as heat, making them simple and cost-effective solutions for voltage regulation in low-power applications. Basic linear regulators with standard voltage regulation capabilities and lower current ratings tend to be more affordable, while high-performance regulators with wider voltage ranges and advanced features may come at a higher cost. When buying Linear Voltage Regulators, prioritize finding one with the right output voltage range and current rating for your application's needs. Look for efficiency to minimize heat dissipation and consider package type for easy integration. Additional features like overcurrent protection and adjustable output voltage can enhance performance.