The LM323AT from ON Semiconductor is a robust, reliable, and efficient voltage regulator designed to deliver a fixed positive output voltage. This high-quality component is a staple in various electronic applications, from consumer electronics to industrial machinery, where stable voltage is crucial for performance and longevity.

Key Features

• Output Voltage: The LM323AT provides a steady 5V output, which is essential for consistent operation of 5V logic circuits and microcontrollers.
• Output Current: Capable of delivering up to 3A of output current, this regulator can power a wide range of devices without the need for an additional heat sink under normal operating conditions.
• Thermal Overload Protection: The built-in thermal overload protection automatically shuts down the regulator to prevent damage from overheating, ensuring the safety and longevity of both the regulator and the connected components.
• Short Circuit Protection: In the event of a short circuit, the LM323AT's short circuit protection feature limits the current to a safe level, protecting the device and the power supply from potential harm.
• Safe-Area Compensation: This feature makes the regulator stable under varying load conditions by adjusting the limit of the output current.
• Voltage Input Range: The LM323AT can handle an input voltage range from 7.2V to 25V, offering flexibility in various power supply scenarios.

Applications

The LM323AT is ideal for a broad range of applications due to its reliability and robustness. It is commonly used in:

• Power supplies for 5V digital systems
• Microcontroller-based projects
• Automotive applications
• Industrial control systems
• Consumer electronics

Package and Mounting

The LM323AT comes in a TO-220 package, which is widely used and easy to mount on a printed circuit board (PCB). The TO-220 package provides adequate heat dissipation for most applications and is compatible with standard heatsinks if additional cooling is required.

Conclusion

With its combination of features such as fixed output voltage, high output current, and robust protection mechanisms, the LM323AT from ON Semiconductor is a highly reliable solution for any application requiring a stable 5V power supply.