onsemi

LM323AT

LM323AT Description

The LM323AT is a fixed output linear voltage regulator designed by onsemi, offering a robust and reliable solution for a wide range of electronic applications. This regulator is housed in a TO220AB package, making it suitable for through-hole mounting. It features a fixed output voltage of 5V and can deliver a maximum output current of 3A, making it ideal for applications requiring stable power supply. The LM323AT is designed to operate within an input voltage range up to 20V, ensuring compatibility with various power sources.

LM323AT Features

• Fixed Output Voltage: The LM323AT provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Current Capability: With a maximum output current of 3A, this regulator can support high-power applications.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 20V, offering flexibility in power source selection.
• Protection Features: Over-current and over-temperature protection features safeguard the regulator and connected circuits from damage.
• Low Quiescent Current: The regulator operates with a low quiescent current of 10 mA, minimizing power consumption during operation.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz ensures minimal noise and ripple in the output voltage.
• Operating Temperature Range: The LM323AT is designed to operate within a temperature range of 0°C to 125°C, making it suitable for a variety of environmental conditions.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the regulator is highly resistant to moisture, enhancing its reliability in humid environments.
• Compliance: The LM323AT is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

LM323AT Applications

The LM323AT is well-suited for a variety of applications where a stable and reliable power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, amplifiers, and other audio equipment.
• Industrial Applications: Suitable for powering control systems, sensors, and actuators in industrial environments.
• Telecommunications: Can be used in power supplies for communication equipment, ensuring stable operation.
• Automotive: Provides a reliable power source for electronic components in vehicles, such as infotainment systems and control modules.

Conclusion of LM323AT

The LM323AT is a versatile and reliable linear voltage regulator that offers a stable 5V output with a maximum current capacity of 3A. Its wide input voltage range, protection features, and low quiescent current make it an ideal choice for a variety of applications. Despite being marked as obsolete, the LM323AT remains a valuable component for applications requiring a robust and stable power supply. Its compliance with international regulations and high moisture sensitivity level further enhance its reliability and suitability for diverse environments.