Datasheet > LD9852

LD9852

更新时间： 2024-09-27 01:17:23

品牌	Logo	应用领域
通嘉科技 - LEADTREND		/
页数	文件大小	规格书
13页	490K
描述
Non-isolation Buck Solution High Power Factor LED Controller with MOS Integrated

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LD9852 数据手册

LD9852

02/17/2015

Non-isolation Buck Solution

High Power Factor LED Controller with MOS Integrated

REV. 00

General Description

Features

The LD9852 is a floating switch buck solution with Active

PFC (APFC) control for LED lighting. It is easy to design

with minimum cost and PCB size. The device operates in

transition mode (TM) and integrates with complete safety

requirement protections.



Built-in 600V MOSFET

High Power Factor Controller Integrated

High Efficiency Transition Mode Operation

Good Accurate Current Regulation

Wide Range of UVLO

Built in OVP on VCC pin

With power factor correction and TM control, the system is

enabled to achieve high PF and high efficiency and to

meet most of the international standard.

LED Open Protection

LED Short Protection

OCP (Cycle by cycle current limit)

OTP (Over Temperature Protection)

The LD9852 also features LED open protection (ZCD

OVP), LED short protection, over current protection (OCP),

and over temperature protection (OTP). It makes the

circuit designers easily to meet most of the safety

requirements in either normal or abnormal test.

Applications



LED Lighting Application

Typical Application

R_UP

VCC

COMP

ZCD

R_DOWN

LD9852

R_S

EMI

Filter

Input

Drain

Source

GND

Leadtrend Technology Corporation www.leadtrend.com.tw

LD9852-DS-00 February 2015

12 3 4 5 6 7...13

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