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.
