New Industry Products

High Power Factor Single/Dual-Channel Linear LED Driver

October 28, 2018 by Paul Shepard

The AL1771/1772 from Diodes, Inc. is a high integration chip with an offline high power factor correction (PF >0.9) controller and a single/dual-channel Linear LED driver in one package.

AL1771/1772 implements an optimized 2-stage topology for a wide power range of connected lighting applications. It is targeted for 1-channel dimmable and 2-channel tunable white and various connected lighting applications.

It has protection features to ensure robust and safety operation of the connected lighting systems.

The AL1771/1772 can support applications with LED current (Up 1500mA) and is available in low thermal resistance package TSSOP-16EP.

AL1771/2 high power factor and low standby power exceeds the latest connected lamps’ requirements:

  • Low Standby Power - Meets latest green power savings needs
  • High PF (>0.9) and Low THD (<20%) - Meets latest standards
  • 2-Stage 1-Chip Topology - Compact board size and use less components
  • Comprehensive Internal Protection Features - Offer robust solutions
  • Adaptive Thermal Management - Enhance Dynamic VOUT to track VLED for higher efficiency and better thermal performance