onsemi

LA5779-E

LA5779-E Description

The LA5779-E is a DC switching voltage regulator designed by onsemi, offering adjustable output voltage and a robust performance suitable for a variety of electronic applications. This regulator features an adjustable output type, allowing for flexibility in voltage settings ranging from a minimum of 1.23V to a maximum of 28V. It operates within an input voltage range of 4.5V to 28V, making it suitable for a wide array of power supply requirements. The LA5779-E is equipped with a switching frequency of 160kHz, ensuring efficient power conversion and minimal energy loss. This regulator is housed in a Through Hole package, specifically a TO220-5H tube, which facilitates easy integration into various electronic systems. Despite its obsolete status, the LA5779-E remains a viable option for applications requiring a reliable and efficient power regulation solution.

LA5779-E Features

• Adjustable Output Voltage: The LA5779-E provides an adjustable output voltage range from 1.23V to 28V, offering flexibility to meet diverse power requirements.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 28V, this regulator can accommodate a broad spectrum of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 3.1A of output current, the LA5779-E ensures stable power delivery to demanding loads.
• Buck Topology: Utilizing a buck topology, the regulator achieves high efficiency and minimal power loss, making it ideal for applications where energy efficiency is crucial.
• Switching Frequency: The 160kHz switching frequency ensures efficient power conversion and reduces the size of external components required.
• Positive Output Configuration: The positive output configuration simplifies circuit design and integration.
• REACH Compliance: The LA5779-E is REACH unaffected, ensuring compliance with environmental regulations and suitability for global markets.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the regulator is suitable for a wide range of environmental conditions without the need for special handling.
• Through Hole Mounting: The Through Hole mounting type facilitates easy integration into printed circuit boards and other electronic assemblies.

LA5779-E Applications

The LA5779-E is well-suited for applications requiring efficient power regulation and adjustable voltage output. Its wide input voltage range and high output current make it ideal for:

• Power Supplies: Ideal for use in adjustable power supplies where flexibility in voltage settings is essential.
• Industrial Equipment: Suitable for industrial applications that require reliable and efficient power regulation.
• Telecommunications: Can be used in telecom equipment where stable power delivery and energy efficiency are critical.
• Consumer Electronics: Applicable in consumer electronics that demand adjustable voltage outputs and high current capabilities.
• Automotive Systems: Suitable for automotive applications where a wide input voltage range and robust performance are necessary.

Conclusion of LA57779-E

The LA5779-E is a versatile and efficient DC switching voltage regulator that offers adjustable output voltage and a wide input voltage range. Its high output current capability and buck topology ensure efficient power conversion and minimal energy loss. Despite being marked as obsolete, the LA5779-E remains a reliable choice for applications requiring a robust power regulation solution. Its compliance with REACH regulations and suitability for various environmental conditions make it a practical option for global markets. For applications in power supplies, industrial equipment, telecommunications, consumer electronics, and automotive systems, the LA5779-E provides a flexible and efficient power regulation solution.