L6521TR

Lighting, Ballast Controllers Overview

The L6521TR is a CFL/TL controller manufactured by STMicroelectronics, designed for lighting ballast applications. It operates within a supply voltage range of 10.5V to 18.5V and features a fixed operating frequency between 46kHz and 47.2kHz. The device is housed in an 8-SOIC package with a width of 3.90mm (0.154 inches). It supports surface mount installation and functions within a temperature range of -25°C to 85°C. The component draws a supply current of 8mA and is classified as a CFL/TL controller under power management ICs.

Lighting, Ballast Controllers Feature Summary

• Integrated control functionality for compact fluorescent and tubular lamp ballasts
• Fixed frequency operation optimized for standard lighting applications
• Surface-mount packaging suitable for automated assembly processes

Lighting, Ballast Controllers Applications

• Compact Fluorescent Lamp (CFL) ballast control
• Tubular Lamp (TL) electronic ballast systems
• LV Smart Ballast circuits

Lighting, Ballast Controllers Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm RoHS compliance and moisture sensitivity level (MSL 3) requirements prior to handling. Ensure storage conditions meet humidity specifications to prevent package damage during reflow soldering processes.

Lighting, Ballast Controllers Selection Notes

Select this component for designs requiring fixed-frequency control without external dimming capabilities. Evaluate thermal performance within the specified operating temperature range. Consider the 8-SOIC footprint constraints for PCB layout optimization in space-limited lighting fixtures.

Lighting, Ballast Controllers Part Context

Part of the L6520/L6521 series from STMicroelectronics, focusing on display drivers and controllers. Belongs to the Driver ICs subcategory within Power Management ICs. Designed specifically for legacy lighting control architectures requiring reliable half-bridge drive signals.

Lighting, Ballast Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer obsolescence notices for potential end-of-life alternatives.