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LD7792 - Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller

General Description

The LD7792 is the enhancement version of LD7790, the audible noise produced during start-up & light load is greatly reduced and the THDi is also further improved.

Key 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 Details

Part number LD7792
Manufacturer Leadtrend
File Size 1.30 MB
Description Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller
Datasheet download datasheet LD7792 Datasheet

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Full PDF Text Transcription (Reference)

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LD7792 01/23/2019 Transition-Mode PFC and Quasi-Resonant Current Mode PWM Controller REV: 00 General Description The LD7792 is the enhancement version of LD7790, the audible noise produced during start-up & light load is greatly reduced and the THDi is also further improved. LD7792 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.