Datasheet > UCC28811DG4

UCC28811DG4

更新时间： 2024-09-20 14:45:23

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UCC28811DG4 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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UCC28811DG4 替代型号

型号	品牌	替代类型	描述	数据表
UCC28811DR	TI	完全替代	LED LIGHTING POWER CONTROLLER
UCC28811D	TI	完全替代	LED LIGHTING POWER CONTROLLER

与UCC28811DG4相关器件

型号	品牌	获取价格	描述	数据表
UCC28811DR	TI	获取价格	LED LIGHTING POWER CONTROLLER
UCC2881DW-4	TI	获取价格	IC 1.5 A SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDSO16, Switching Regulator or
UCC2881DWTR-4	TI	获取价格	1.5A SWITCHING CONTROLLER, 100kHz SWITCHING FREQ-MAX, PDSO16
UCC2881J-2	TI	获取价格	1.5A SWITCHING CONTROLLER, 200kHz SWITCHING FREQ-MAX, CDIP16
UCC2881J-6	TI	获取价格	1.5A SWITCHING CONTROLLER, 400kHz SWITCHING FREQ-MAX, CDIP16
UCC2881N-1	TI	获取价格	1.5A SWITCHING CONTROLLER, 100kHz SWITCHING FREQ-MAX, PDIP16
UCC2882	TI	获取价格	Average Current Mode Synchronous Controller With 5-Bit DAC
UCC2882-	TI	获取价格	Average Current Mode Synchronous Controller With 5-Bit DAC
UCC2882-1	TI	获取价格	Average Current Mode Synchronous Controller With 5-Bit DAC
UCC2882-1Q	TI	获取价格	SWITCHING CONTROLLER, 700kHz SWITCHING FREQ-MAX, SOIC-28

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