LD7592SGS datasheet(1/16 Pages) LEADTREND

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LD7592S

05/08/2018

1

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD7592S-DS-00 May 2018

Transition-Mode PFC Controller with

Fault Condition Protection

REV. 00

General Description

The LD7592S is a voltage mode PFC controller operating

on transition mode, with several integrated functions of

protection, such as OVP, OCP, and brown-in protection. It

reduces the components counts and is available in a

SOP-8 or DIP-8 package. Those make it an ideal design

for low cost applications.

It provides functions of low startup current, over voltage

protection, open feedback protection, disable function,

over

current

protection, under

voltage lockout

and

integrated LEB of current sensing. The LD7592S adopts

transition mode for power factor correction and realizes

high efficiency and a low switching noise by zero current

switching.

Typical Application for Boost PFC

Features

 Transition Mode of PFC Pre-Regulator

 Voltage Mode Control

 Programmable Maximum on-time

 ZCD Auxiliary Winding is Unnecessary

 Low Startup Current (<1

A)

 UVLO (Under Voltage Lockout)

 LEB (Leading-Edge Blanking) on CS pin

 VCC OVP (Over Voltage Protection) on VCC pin

 VO OVP (Over Voltage Protection) on INV pin

 Bulk Cap OVP (Over Voltage Protection) on OVP pin

 OCP (Cycle by Cycle Current Limit)

 900/-1200mA Driving Capability

 Internal OTP (Over Temperature Protection)

Applications

 Adaptor of Output above 75W.

 LCD TV Power Supply

AC

Input

LD7592S

OUT

CS

GND

COMP

VCC

RAMP

EMI

Filter

INV

OVP

Số phần tương tự - LD7592SGS

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Leadtrend Technology	LD7592	764Kb / 15P	Transition-Mode PFC Controller with Fault Condition Protection REV. 00
	LD7592GN	764Kb / 15P	Transition-Mode PFC Controller with Fault Condition Protection REV. 00
	LD7592GS	764Kb / 15P	Transition-Mode PFC Controller with Fault Condition Protection REV. 00

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Mô tả tương tự - LD7592SGS

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