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UCC28810 PDF预览

UCC28810

更新时间: 2024-11-08 05:54:27
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
31页 1141K
描述
LED LIGHTING POWER CONTROLLER

UCC28810 数据手册

 浏览型号UCC28810的Datasheet PDF文件第2页浏览型号UCC28810的Datasheet PDF文件第3页浏览型号UCC28810的Datasheet PDF文件第4页浏览型号UCC28810的Datasheet PDF文件第5页浏览型号UCC28810的Datasheet PDF文件第6页浏览型号UCC28810的Datasheet PDF文件第7页 
UCC28810  
UCC28811  
www.ti.com .............................................................................................................................................................................................. SLUS865OCTOBER 2008  
LED LIGHTING POWER CONTROLLER  
1
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 VREF for 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  
1
2
3
4
VSENSE VDD  
EAOUT GDRV  
8
7
6
5
Low Pass  
Filter  
VINS  
GND  
TZE  
LED  
Current  
Sense  
ISENSE  
Triac Dimming  
Detect  
Bias  
+
+
UDG-08120  
1
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.  
Copyright © 2008, Texas Instruments Incorporated  

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