IC manufacturers Texas Instruments

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Texas Instruments UCC28811 | Demoboard SLUU424

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

Overview

TopologyBuck Converter
Input voltage108-265 V
Output 185 V / 3 A

Description

This driver is comprised of two stages, PFC stage and Buck stage. Both stages are operating in criticalconduction mode. A constant current is controlled to provide 3 A to LED strings, with output voltage rangefrom 70 V to 85 V.

Features

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

Typical applications

  • Street Lighting
  • High Bay Lighting

Products

Order Code Data­sheet Downloads Status Product series Samples
750311311SPEC
Active i| Production is active. Expected lifetime: >10 years. Power Inductor
Order Code Data­sheet
750311311SPEC
Samples
Order Code Data­sheet Downloads Status Product series Samples