Microsemi

LX8585-33CDD

LX8585-33CDD Description

The LX8585-33CDD is a high-performance linear voltage regulator designed by Microsemi Corporation, offering a fixed output voltage of 3.3V and a robust current handling capability of 4.6A. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a TO263 power package, suitable for surface mount applications. Despite its obsolescence, the LX8585-33CDD remains a reliable choice for various power management needs due to its comprehensive feature set and robust performance.

LX8585-33CDD Features

• Fixed Output Voltage: The LX8585-33CDD provides a stable 3.3V output voltage, ideal for applications requiring a consistent power supply.
• High Current Capability: With a maximum output current of 4.6A, this regulator can efficiently power demanding circuits and components.
• Low Dropout Voltage: A maximum dropout voltage of 1.4V at 4.6A ensures high efficiency, even under heavy load conditions.
• Protection Features: Over-temperature and short-circuit protection mechanisms safeguard the regulator and connected circuits from damage.
• Operating Temperature Range: The regulator operates reliably within a temperature range of 0°C to 125°C, making it suitable for a wide range of environmental conditions.
• Low Quiescent Current: A quiescent current of 10mA minimizes power consumption during standby or low-load conditions.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 83dB at 120Hz ensures excellent noise filtering and stable output voltage.
• Moisture Sensitivity Level: MSL 2 (1 Year) classification indicates the regulator's resistance to moisture, enhancing its reliability in humid environments.
• Compliance: The LX8585-33CDD is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Packaging: Supplied in a tube package, facilitating easy handling and integration into manufacturing processes.

LX8585-33CDD Applications

The LX8585-33CDD is ideal for applications that demand a stable and efficient power supply. Its high current capability and low dropout voltage make it particularly suitable for:

• Power Management in Embedded Systems: Providing a stable 3.3V supply to microcontrollers, sensors, and other low-voltage components.
• Industrial Control Systems: Ensuring reliable power delivery to critical components in harsh industrial environments.
• Telecommunications Equipment: Supplying power to communication modules and interfaces that require precise voltage regulation.
• Automotive Electronics: Powering electronic control units (ECUs) and other automotive systems that operate within a wide temperature range.
• Consumer Electronics: Used in devices such as routers, modems, and other networking equipment where a stable power supply is crucial.

Conclusion of LX8585-33CDD

The LX8585-33CDD is a versatile and reliable linear voltage regulator that offers a fixed 3.3V output with a maximum current of 4.6A. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for a variety of applications, especially those requiring stable power delivery and high efficiency. Despite being marked as obsolete, the LX8585-33CDD remains a valuable component in the electronics industry, providing robust performance and reliability.