Datasheet > DIO8852

DIO8852

更新时间： 2024-04-09 18:59:27

品牌	Logo	应用领域
帝奥微 - DIOO		功率因数校正
页数	文件大小	规格书
8页	573K
描述
The DIO8852 is a single stage Buck PFC controller targeting at LED lighting applications. It drives the Buck converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Buck converter inconstant on time operation to achieve high power factor.

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DIO8852 数据手册

Rev 1.2

DIO8852

Single Stage Buck PFC Controller for LED Lighting

Features

Descriptions



Valley turn-on of the MOSFET to achieve low

The DIO8852 is a single stage Buck PFC controller

targeting at LED lighting applications. It drives the

Buck converter in the quasi-resonant mode to

achieve higher efficiency.

switching losses



0.3V current sense reference voltage leads to

a lower sense resistance thus a lower

conduction loss



Low start up current: 15μA typical

Reliable short LED and Open LED protection

Power factor >0.9@230VAC

It keeps the Buck converter inconstant on time

operation to achieve high power factor.

External thermal regulation

Applications

Compact package: SOIC-8



LED Lighting

Down light

Tube lamp & PAR lamp &Bulb lamp

Block Diagram

Figure 1 Block Diagram

www.dioo.com

DIO8852• Rev. 1.2

12 3 4 5 6 7 8

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