STMicroelectronics

L6585DE

L6585DE Description

The L6585DE from STMicroelectronics is a highly integrated PFC/Ballast Controller IC designed for advanced lighting applications. Operating within a supply voltage range of 11V to 16V, this surface-mount device delivers precise control for electronic ballasts, ensuring efficient power factor correction (PFC) and stable performance. With a frequency range of 58.4kHz to 62kHz, it is optimized for high-frequency operation, making it suitable for demanding lighting systems. Although marked as obsolete, its robust design and compliance with ROHS3 and REACH Unaffected standards ensure reliability in existing deployments. Packaged in a tube, the L6585DE is part of the L6585 base product family, offering a balance of performance and integration.

L6585DE Features

• Integrated PFC and Ballast Control: Combines power factor correction and ballast driving in a single IC, reducing external component count.
• Wide Voltage Range (11V–16V): Supports stable operation under varying input conditions.
• High-Frequency Operation (58.4kHz–62kHz): Enables compact magnetic component design for space-constrained applications.
• Low Supply Current (7mA): Enhances energy efficiency in standby or operational modes.
• Surface-Mount Packaging (20SO): Facilitates automated assembly and high-density PCB layouts.
• Compliance: Meets ROHS3 and REACH Unaffected requirements, ensuring environmental and regulatory adherence.

L6585DE Applications

The L6585DE is ideal for:

• Electronic Ballasts: Provides precise control for fluorescent lamp ballasts, ensuring flicker-free operation and extended lamp life.
• Power Factor Correction (PFC) Circuits: Improves energy efficiency in AC-DC power supplies for lighting systems.
• Industrial and Commercial Lighting: Suitable for high-frequency lighting applications where reliability and compact design are critical.
• Retrofit Lighting Solutions: Enables upgrades to older lighting systems with modern, efficient control.

Conclusion of L6585DE

The L6585DE stands out as a versatile PFC/Ballast Controller for lighting systems, offering integrated functionality, high-frequency performance, and compliance with modern environmental standards. While obsolete, its technical merits—such as low power consumption and robust voltage handling—make it a viable choice for legacy designs or specific lighting upgrades. Engineers seeking a compact, efficient solution for electronic ballasts or PFC circuits will find the L6585DE a reliable option, particularly in industrial and commercial applications.