Datasheet > EC4329

EC4329

更新时间： 2022-02-26 13:18:16

品牌	Logo	应用领域
飞虹 - E-CMOS		功率因数校正
页数	文件大小	规格书
7页	554K
描述
Offiline Step-down Buck LED Driver IC with APFC

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EC4329 数据手册

Offiline Step-down Buck LED Driver IC with APFC

EC4329

General Description

Features

High Power Factor, ultra- low THD

The EC4329 is a high precision non-isolated buck driver

with APFC, specially designed for universal input offline

constant current LED lighting, and reach out low THD.

Operating in critical conduction mode, the power MOSFET

switching loss is reduced and the inductor is fully utilized.

Withthe fewest external components, and cutting- edge

circuit design, output ability can be precisely controlled in

the most competitive method of all kinds.

 Valley Switch, High Efficiency, LOW EMI

Soft Start



Thermal Regulation Compensation

±3% Output Current Accuracy

Universal AC input

Auto Induction Compensate

Auto Output Voltage adaption

Full Protection Features: ( LED O/S CKT; OTP

OCP; OVP/UVP)

EC4329 adopts floating ground structure, inductor current

is hence sensed during the whole switching cycle, which

generates precise output current, line and load regulation

when being applied in system.

Auto Recovery to default

Fewest external components required on board

Applications

EC4329 also features full protection function to enhance

Reliability on board, including LED Open/ Short circuit

Protection, OVP/ UVP/ OTP( Self- reduce)/ OCP Current

Sensing Open protection, Soft start and so on.

LED High Brightness Lighting

Light Bulb, Light Tube

EC4329 performed in compact SOT23-6 package.

Typical Application

E-CMOS Corp. (www.ecmos.com.tw)

Page 1 of 7

4I04N-Rev.F001

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