Texas Instruments

UCC28811D

UCC28811D Description

The UCC28811D from Texas Instruments is an AC/DC offline switcher IC designed for LED driver applications, particularly those requiring TRIAC dimming compatibility. Operating with a maximum supply voltage of 18V, this surface-mount device integrates advanced control features to deliver efficient and reliable performance in lighting systems. Packaged in an 8-SOIC tube, it is RoHS3 compliant and suitable for industrial and commercial environments due to its unlimited moisture sensitivity level (MSL1).

UCC28811D Features

• TRIAC Dimming Support: Enables seamless compatibility with phase-cut dimmers, ensuring smooth dimming performance in LED lighting.
• Single Output Configuration: Simplified design for driving single LED strings or modules.
• Wide Input Voltage Range: Supports up to 18V, making it adaptable for various offline power supply designs.
• No Internal Switch: Offers flexibility for external MOSFET/transistor selection, optimizing efficiency and thermal management.
• Robust Compliance: Meets REACH and RoHS3 standards, ensuring environmental and regulatory adherence.

UCC28811D Applications

• Residential/Commercial LED Lighting: Ideal for dimmable downlights, track lighting, and retrofit bulbs.
• Industrial Lighting Systems: Suitable for high-reliability applications like warehouse and street lighting.
• Retail/Architectural Lighting: Enables precise dimming control for ambiance-sensitive environments.

Conclusion of UCC28811D

The UCC28811D stands out for its TRIAC dimming capability, external switch flexibility, and robust performance in offline LED driver designs. Its compliance with environmental standards and broad voltage range make it a versatile choice for lighting engineers seeking reliability and efficiency. Whether for dimmable residential fixtures or industrial-scale installations, this IC delivers a balanced combination of control and power management.