UCC28180

更新时间： 2024-11-24 12:34:59

品牌	Logo	应用领域
德州仪器 - TI		功率因数校正控制器
页数	文件大小	规格书
48页	1765K
描述
Programmable Frequency, Continuous Conduction Mode (CCM), Boost Power Factor Correction (PFC) Controller

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UCC28180 数据手册

UCC28180

www.ti.com

SLUSBQ5A –NOVEMBER 2013–REVISED NOVEMBER 2013

Programmable Frequency, Continuous Conduction Mode (CCM), Boost Power Factor

Correction (PFC) Controller

Check for Samples: UCC28180

FEATURES

DESCRIPTION

The UCC28180 is a flexible and easy-to-use, 8-pin,

active Power Factor Correction (PFC) controller that

operates under Continuous Conduction Mode (CCM)

to achieve high Power Factor, low current distortion

and excellent voltage regulation of boost pre-

regulators in AC - DC front-ends. The controller is

suitable for universal AC input systems operating in

100-W to few-kW range with the switching frequency

programmable between 18 kHz to 250 kHz, to

conveniently support both power MOSFET and IGBT

switches. An integrated 1.5-A and 2-A (SRC-SNK)

peak gate drive output, clamped internally at 15.2 V

(typical), enables fast turn-on, turn-off and easy

management of the external power switch without the

need for buffer circuits.

•

8-pin Solution (no AC line sensing needed)

Wide Range Programmable Switching

Frequency (18 kHz to 250 kHz for MOSFET and

IGBT based PFC converters)

•

Trimmed Current Loop Circuits for Low iTHD

Reduced Current Sense Threshold (minimizes

power dissipation in shunt)

•

Average Current-Mode Control

Soft Over Current and Cycle-by-Cycle Peak

Current Limit Protection

•

Output Over-Voltage Protection with

Hysteresis Recovery

•

Audible Noise Minimization Circuitry

Open Loop Detection

Low-distortion wave shaping of the input current

using average current mode control is achieved

without input line sensing, reducing the external

component count. In addition, the controller features

reduced current sense thresholds to facilitate the use

of small value shunt resistors for reduced power

dissipation, especially important in high power

systems. To enable low current distortion, the

controller also features trimmed internal current loop

regulation circuits for eliminating associated

inaccuracies.

Enhance Dynamic Response During Output

Over and Under-Voltage Conditions

•

Maximum Duty Cycle of 96% (typical)

Burst Mode for No Load Regulation

VCC UVLO, Low ICC Start-Up (<75 µA)

APPLICATIONS

•

Universal AC Input, CCM Boost PFC

converters in 100-W to Few-kW range

•

Server and Desktop Power Supplies

White Good Appliances (Air Conditioners,

Refrigerators)

•

Industrial Power Supplies (DIN Rail)

Flat Panel TV (PDP, LCD and LED) TVs

Typical Application

V_OUT

EMI Filter

LINE

INPUT

Bridge

Rectifier

–

GND

GATE

VCC

Auxilary

Supply

ICOMP

ISENSE VSENSE

FREQ VCOMP

R_load

UCC28180

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...48

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与UCC28180相关器件

型号	品牌	获取价格	描述	数据表
UCC28180D	TI	获取价格	Programmable Frequency, Continuous Conduction Mode (CCM), Boost Power Factor Correction (P
UCC28180DR	TI	获取价格	Programmable Frequency, Continuous Conduction Mode (CCM), Boost Power Factor Correction (P
UCC2818A	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818AD	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818ADG4	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818ADR	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818ADR/	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818ADR/1	TI	获取价格	1.2A POWER FACTOR CONTROLLER, 120kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, MS-012AC,
UCC2818ADRG4	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR
UCC2818AN	TI	获取价格	BiCMOS POWER FACTOR PREREGULATOR

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