IC manufacturers Texas Instruments

IC manufacturers (99)

Texas Instruments UCC28811 | Demoboard SLUU423

Isolated 240-W Offline LED Driver Using UCC28810, UCC28811 and TPS92020

Overview

TopologyOther Topology

Description

This driver is comprised of three stages, including PFC stage, Buck stage, and Isolation stage. Both PFCand Buck stage operate in critical conduction mode. The isolation stage is a half-bridge resonant currentconverter with an option to adopt the multi-transformer design. A constant current is controlled by the Buckstage to provide 3 A to the LED strings, with output voltage range from 70 V to 85 V.

Features

  • 108 VRMS to 265 VRMS Offline Operation
  • Power Factor Correction
  • Boost Follower
  • Constant Current Control
  • Output Isolation
  • Onboard or External PWM Dimming

Typical applications

  • Street Lighting
  • High Bay Lighting

Products

Order Code Data­sheet Downloads Status Product series Samples
750311310SPEC
Active i| Production is active. Expected lifetime: >10 years. Power Inductor
Order Code Data­sheet
750311310SPEC
Samples
Order Code Data­sheet Downloads Status Product series Samples