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LD7790 - Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller

Datasheet Summary

Description

The LD7790

Features

  • transition mode Power Factor correction (PFC) controller and Quasi-Resonant (QR) current mode controller for cost effective and fewer external components design of high power.

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Datasheet preview – LD7790

Datasheet Details

Part number LD7790
Manufacturer Leadtrend
File Size 1.03 MB
Description Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller
Datasheet download datasheet LD7790 Datasheet
Additional preview pages of the LD7790 datasheet.

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Full PDF Text Transcription

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LD7790 9/11/2013 Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller REV: 00 General Description The LD7790 features transition mode Power Factor correction (PFC) controller and Quasi-Resonant (QR) current mode controller for cost effective and fewer external components design of high power application. The intelligent PFC switching ON/OFF, zero current detection (ZCD) and frequency limitation mechanism enable a better efficiency under any load conditions. The device is also integrated several functions of protection, such as X-CAP discharge, Brown-in/out protection, Over Load protection (OLP), Over Temperature Protection (OTP), Over Voltage Protection (OVP) and Over Current Protection (OCP) with High / Low Line Compensation.
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