Texas Instruments

LM2587T-ADJ/LF03

LM2587T-ADJ/LF03 Description

The LM2587T-ADJ/LF03 is a versatile and robust DC switching voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® series. This regulator offers an adjustable output voltage, making it highly adaptable for a wide range of applications. It is designed to operate within an input voltage range of 4V to 40V and can deliver a maximum output current of 5A through its switch. The regulator supports a maximum output voltage of up to 60V, providing flexibility in power supply design.

The LM2587T-ADJ/LF03 features a switching frequency of 100kHz, which helps in achieving high efficiency and compact design. It is housed in a through-hole TO220 package, making it suitable for applications requiring robust mechanical stability. The regulator is designed for positive output configuration and supports various topologies, including boost, flyback, and forward converter configurations.

LM2587T-ADJ/LF03 Features

• Adjustable Output Voltage: The regulator provides an adjustable output voltage range from 1.23V to 60V, offering flexibility to meet diverse power requirements.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, the LM2587T-ADJ/LF03 can operate efficiently across a broad spectrum of input conditions.
• High Output Current Capability: The regulator is capable of delivering up to 5A of output current, making it suitable for high-power applications.
• 100kHz Switching Frequency: The 100kHz switching frequency ensures high efficiency and allows for the use of smaller inductors and capacitors, contributing to a compact design.
• Robust Through-Hole Packaging: The TO220 package provides mechanical stability and ease of integration into various circuit boards.
• Multiple Topology Support: The regulator supports boost, flyback, and forward converter topologies, enhancing its versatility for different power conversion needs.
• Compliance and Safety: The LM2587T-ADJ/LF03 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture.

LM2587T-ADJ/LF03 Applications

The LM2587T-ADJ/LF03 is ideal for applications requiring efficient power conversion and adjustable output voltages. Some specific use cases include:

• Power Supplies: Suitable for designing power supplies that need to support a wide range of input voltages and adjustable output levels.
• Industrial Equipment: Ideal for industrial applications where robustness and high current capability are essential.
• Telecommunications: Can be used in telecom equipment where reliable power conversion and compact design are required.
• Automotive Electronics: The wide input voltage range and high current capability make it suitable for automotive applications where power supply requirements can vary significantly.

Conclusion of LM2587T-ADJ/LF03

The LM2587T-ADJ/LF03 from Texas Instruments is a highly versatile and efficient DC switching voltage regulator. Its adjustable output voltage, wide input range, and high current capability make it suitable for a variety of applications. The regulator's support for multiple topologies and robust packaging further enhance its adaptability. While the product is now obsolete, it remains a reliable choice for applications where these features are critical. For new designs, engineers may consider exploring newer models from Texas Instruments that offer similar or enhanced capabilities.