The LM1084R-3.3V is a low dropout (LDO) positive voltage regulator supplied by TAEJIN/HTC Korea. It is designed to provide a stable and regulated 3.3V output voltage from a higher input voltage. This regulator is capable of delivering up to 5A of output current, making it suitable for a wide range of applications.

Applications:

• Post regulation for switching supplies
• Battery chargers
• Power management for microcontrollers
• Motherboard applications
• High-efficiency linear regulators

Features:

• Fixed 3.3V output voltage
• Low dropout voltage
• 5A output current capability
• Built-in thermal shutdown
• Current limiting protection
• Available in TO-252 package

Benefits:

• Provides a stable and regulated 3.3V power supply
• Efficient power conversion due to low dropout voltage
• Protects against over-temperature and over-current conditions
• Simplified circuit design
• Reduces external component count

Additional Details:

The LM1084R-3.3V operates with a low dropout voltage, meaning that the input voltage only needs to be slightly higher than the desired 3.3V output voltage for the regulator to function properly. This feature improves efficiency, especially in battery-powered applications. The built-in thermal shutdown circuitry protects the regulator from overheating by disabling the output when the junction temperature exceeds a safe limit. The current limiting feature prevents excessive current draw, protecting the regulator and the load from damage. This LDO regulator is commonly used in applications where a stable 3.3V supply is required, such as powering microcontrollers, FPGAs, and other digital circuits. The TO-252 package allows for efficient heat dissipation.

The LM1084R-3.3V is designed to be a robust and reliable voltage regulator, providing a clean and stable power supply for sensitive electronic components. The regulator's low dropout voltage, high output current capability, and protection features make it suitable for a variety of demanding applications. By using this regulator, designers can simplify their power supply designs and improve overall system performance and reliability.