STMicroelectronics

L4985ATR  

Power Factor Correction ICs

L4985ATR Description

The L4985ATR is a high-performance, Continuous Conduction Mode (CCM) Power Factor Correction (PFC) Integrated Circuit (IC) designed by STMicroelectronics. This advanced component is engineered to optimize power efficiency and reliability in various electronic systems. With a switching frequency of 65kHz, it operates within a wide voltage supply range of 10V to 24.5V, making it suitable for a broad spectrum of applications.

L4985ATR Features

• Continuous Conduction Mode (CCM) Operation: The L4985ATR operates in CCM, which ensures a constant current flow through the switch, leading to higher efficiency and reduced electromagnetic interference.

• Wide Voltage Range: Compatible with a 10V to 24.5V supply, the L4985ATR can be integrated into systems with varying power requirements.

• High Switching Frequency: The 65kHz switching frequency allows for smaller, more compact designs in power conversion applications.

• Low Startup Current: With a startup current of only 400 µA, the L4985ATR minimizes power consumption during initial system boot-up.

• Surface Mount Technology: Designed for surface mount applications, the L4985ATR is well-suited for modern, space-constrained electronics.

• Compliance with Regulations: The L4985ATR is EAR99 and ROHS3 compliant, ensuring it meets international trade and environmental standards.

• Tape & Reel Packaging: Facilitates automated assembly processes, enhancing production efficiency and reducing costs.

L4985ATR Applications

The L4985ATR is ideal for applications where high efficiency and power factor correction are critical, such as:

• LED Lighting: Enhances the performance and lifespan of LED lighting systems by ensuring optimal power supply.

• Telecommunications: Provides reliable power management in telecommunications equipment, ensuring consistent performance.

• Industrial Automation: Supports efficient power conversion in automated systems, reducing energy costs and improving reliability.

• Medical Devices: Ensures stable and efficient power delivery, crucial for the operation of medical equipment.

Conclusion of L4985ATR

The L4985ATR from STMicroelectronics stands out for its CCM operation, wide voltage range, and low startup current, making it a versatile choice for high-efficiency power conversion. Its compliance with international standards and surface mount design further enhance its appeal for modern electronic systems. Whether in LED lighting, telecommunications, industrial automation, or medical devices, the L4985ATR delivers superior performance and reliability, making it an excellent choice for demanding power conversion applications.

L4985ATR Documents

Download datasheets and manufacturer documentation for L4985ATR