Datasheet > EC4318NNM1R

EC4318NNM1R

更新时间： 2022-02-26 13:18:21

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	208K
描述
Offiline Step- down Buck LED Driver IC with APFC

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EC4318NNM1R 数据手册

Offiline Step- down Buck LED Driver IC with APFC

EC4318

General Description

Features

The EC4318 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.

By integrating a 500V power MOSFET, the fewest external

components, and cutting-edge circuit design, output ability

can be precisely controlled in the most competitive method

of all kinds. EC4318 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.

EC4318 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 and so on.

ꢀ

High Power Factor, ultra- low THD

ꢀ Valley Switch, High Efficiency, LOW EMI

ꢀ

High- V MOSFET embedded

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)

ꢀ

Auto Recovery to default

Fewest external components required on board

Applications

ꢀ

LED High Brightness Lighting

ꢀ

Light Bulb, Light Tube

Typical Application

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

Page 1 of 7

4E22N-Rev.P001

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