The L7987LTR from STMicroelectronics is a highly efficient, monolithic synchronous step-down switching regulator that is designed to deliver a constant, stable output voltage from a varying input voltage source. This makes it an ideal power solution for a wide range of applications, including industrial systems, consumer electronics, and telecommunications equipment.

Key Features

• Wide Input Voltage Range: The L7987LTR operates over a broad input voltage range from 4.5 V to 61 V, making it suitable for use with a variety of input sources, including industrial power supplies and automotive batteries.
• Adjustable Output Voltage: Users can set the output voltage from 0.8 V to VIN, ensuring flexibility across different applications and compatibility with a wide range of downstream components.
• High Efficiency: With a maximum efficiency of up to 95%, the L7987LTR minimizes energy loss during conversion, contributing to the overall energy efficiency of the system.
• Current Mode Control: The regulator uses current mode control for excellent transient response and easy loop stabilization.
• Protection Features: The device includes a variety of protection features such as overcurrent protection, thermal shutdown, and overvoltage protection, ensuring the safety and reliability of the application.
• Frequency Synchronization: It allows for synchronization with an external clock to reduce electromagnetic interference (EMI) in noise-sensitive applications.

Applications

The versatility of the L7987LTR makes it an excellent choice for a variety of applications, including but not limited to:

• Industrial control systems
• Automotive applications
• Telecommunication devices
• Portable equipment
• Consumer electronics

Package Information

The L7987LTR is available in a compact QFN-16 (3x3 mm) package, which is suitable for space-constrained applications. The small package size does not compromise the regulator's thermal performance, ensuring reliable operation across its full temperature range.