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LD7791

Part Number	LD7791
Manufacturer	Leadtrend Technology
Description	Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller
Published	Jun 20, 2018
Detailed Description	LD7791 05/26/2016 Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller REV: 03 General Description The LD...
Datasheet	LD7791 PDF File

Overview

LD7791 05/26/2016 Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller REV: 03 General Description The LD7791 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 it to reach better efficiency under any load conditions.
The device also integrates 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.
Therefore it can protect the system from being damaged due to occasional failure.
The LD7791 is available in a SOP-16 package.
Typical Application Features  Integrate PFC and QR Flyback Controller  Transition Mode PFC Controller  ...

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