UCC28811DR

LED照明电源控制器 LED LIGHTING POWER CONTROLLER

DESCRIPON

The UCC28810 and UCC28811 are general lighting power controllers for low to medium power lumens

applications requiring power factor correction and EMC compliance. It is designed for controlling a flyback, buck or boost converter operating in critical conduction mode. It features a transconductance

FEATURES

• Transition Mode Controller for Low Implementation Cost of AC Input LED Lighting Applications

• Implements Single Stage Power Factor Corrected LED Driver

• Enhanced Transient Response With Slew-Rate Comparator

• Interfaces with Traditional Wall Dimmers

• Accurate Internal VREF for Tight Output Regulation

• Two UVLO Options

• Overvoltage Protection OVP, Open-Feedback Protection and Enable Circuits

• ±750-mA Peak Gate Drive Current

• Low Start-Up and Operating Currents

• Lead Pb-Free Packages

APPLICATIONS

• AC Input General Lighting Applications Using HB LEDs

• Industrial, Commercial and Residential Lighting Fixtures

• Outdoor Lighting: Street, Roadway, Parking, Construction and Ornamental LED Lighting Fixtures