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LD8523 - Synchronous Rectification Driver

Description

LD8523/P is a secondary side synchronous rectification (SR) driver IC.

It combines a low voltage drop N-channel MOSFET to improve efficiency and reduce heat from secondary-side rectifier.

LD8523/P is suited for flyback low side and high side synchronous rectification in CCM, DCM and QR mode.

Features

  • Suited for low side flyback synchronous rectification in CCM, DCM and QR(valley lock) mode.
  • Suited for forward freewheeling rectification in CCM and DCM.
  • LD8523P is suitable for primary side wi.

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Datasheet Details

Part number LD8523
Manufacturer Leadtrend Technology
File Size 470.96 KB
Description Synchronous Rectification Driver
Datasheet download datasheet LD8523 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LD8523/P 11/24/2017 Synchronous Rectification Driver with Green Mode Function REV. 00 General Description LD8523/P is a secondary side synchronous rectification (SR) driver IC. It combines a low voltage drop N-channel MOSFET to improve efficiency and reduce heat from secondary-side rectifier. LD8523/P is suited for flyback low side and high side synchronous rectification in CCM, DCM and QR mode. For forward freewheeling rectification application, LD8523/P can be applied in CCM and DCM operation. In light load condition, LD8523/P will enter green mode to reduce operation current by stopping SR MOSFET driving function. Load regulation improve function is an innovative design in LD8523/P. With this unique function, switch power supply can achieve minimum load regulation easily.
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