LD7591 Datasheet Transition-Mode PFC Controller

Manufacturer: Leadtrend Technology Corporation

LD7591 transition-mode pfc controller by Leadtrend Technology Corporation - Datasheet Preview

Datasheet Details

Part number	LD7591
Manufacturer	Leadtrend Technology Corporation
File Size	424.41 KB
Description	Transition-Mode PFC Controller
Download	LD7591 Download (PDF)

General Description

The LD7591 is a voltage mode PFC controller operating on transition mode, integrated several functions of protection, such as OVP, OCP, and Brown-in protection.

It minimizes the components counts and is available in a SOP-8 or DIP-8 package.

Those make it an ideal design for low cost applications.

Overview

LD7591 04/30/2009 Transition-Mode PFC Controller with Fault Condition Protection Datasheet.

Key Features

without mains voltage sensing compared with traditional current mode PFC for power saving. The LD7591 can be disabled if the INV pin voltage is lower than 0.45V and the operating current decreases to 65μA . Features z z z z z z z z z z z Transition mode of PFC pre-regulator Voltage mode control Programmable max. on-time Low Startup Current (.

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