Datasheet > UCC28810_11

UCC28810_11

更新时间： 2024-09-20 08:25:59

品牌	Logo	应用领域
德州仪器 - TI		功率控制控制器
页数	文件大小	规格书
33页	1164K
描述
LED LIGHTING POWER CONTROLLER

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UCC28810_11 数据手册

UCC28810

UCC28811

www.ti.com .............................................................................................................................................................................................. SLUS865–OCTOBER 2008

LED LIGHTING POWER CONTROLLER

FEATURES

APPLICATIONS

•

AC Input General Lighting Applications Using

HB LEDs

•

Transition Mode Controller for Low

Implementation Cost of AC Input LED Lighting

Applications

Industrial, Commercial and Residential

Lighting Fixtures

Outdoor Lighting: Street, Roadway, Parking,

Construction and Ornamental LED Lighting

Fixtures

•

Implements Single Stage Power Factor

Corrected LED Driver

Enhanced Transient Response With Slew-Rate

Comparator

•

Interfaces with Traditional Wall Dimmers

DESCRIPTION

Accurate Internal V_REFfor Tight Output

Regulation

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

voltage amplifier for feedback error processing, a

simple current reference generator for generating a

current command proportional to the input voltage, a

current-sense (PWM) comparator, PWM logic and a

totem-pole driver for driving an external FET.

•

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

SIMPLIFIED APPLICATION DIAGRAM

Bias

UCC28810

VSENSE VDD

EAOUT GDRV

Low Pass

Filter

VINS

GND

TZE

LED

Current

Sense

ISENSE

Triac Dimming

Detect

Bias

UDG-08120

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...33

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