Product Overview: LM2587T-ADJ from Texas Instruments

The LM2587T-ADJ is a versatile and powerful switch-mode voltage regulator fabricated by Texas Instruments. This component is part of the SIMPLE SWITCHER® series, which is renowned for its ease of use and robust performance. The LM2587T-ADJ is designed to provide a reliable and efficient solution for applications requiring voltage step-up (boost), voltage step-down (buck), and voltage inversion with a minimum number of external components.

Key Features

• Adjustable Output Voltage: This regulator offers an adjustable output voltage feature that ranges from 1.23V to 37V, which can be set with two external resistors.
• High Efficiency: The device is capable of driving a 5A load with excellent line and load regulation, and its efficiency can be up to 90%, depending on the input and output voltages.
• Flyback Regulator: It includes a flyback regulator which allows the device to perform well in applications requiring electrical isolation.
• Thermal Shutdown and Current Limit Protection: The LM2587T-ADJ incorporates built-in thermal shutdown and current limit protection features to safeguard the device and the application circuit under extreme conditions.

Applications

The LM2587T-ADJ is an ideal choice for a wide range of applications due to its versatility. It is commonly used in:

• Power supplies for industrial equipment
• Automotive accessories and power converters
• Portable electronic devices
• Telecommunications equipment
• Positive to negative converter (Buck-Boost)

Product Specifications

The LM2587T-ADJ operates within a wide input voltage range from 4V to 40V, which makes it suitable for battery-powered and unregulated input power supplies. The device is available in a TO-220 package, ensuring easy integration into a variety of circuit designs. Its switching frequency is fixed at 52 kHz, allowing for a compromise between efficiency and the size of external components.

For designers and engineers looking for a reliable and easy-to-implement power conversion solution, the LM2587T-ADJ from Texas Instruments stands out as an excellent choice. Its combination of features, protections, and performance makes it a go-to regulator for demanding applications.