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LD5523T - Multi-Mode PWM Controller of Flyback

Datasheet Summary

Description

The LD5523T is built in a multi-mode PWM controller.

The multi-mode PWM controller which consists of Quasi-Resonant (QR) PWM control for light load condition and Continue Conduction Mode (CCM) for heavy load condition.

Features

  • Secondary-side feedback control with quasi-resonant + CCM operation.
  • Low Startup Current (.

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Datasheet preview – LD5523T

Datasheet Details

Part number LD5523T
Manufacturer Leadtrend
File Size 585.66 KB
Description Multi-Mode PWM Controller of Flyback
Datasheet download datasheet LD5523T Datasheet
Additional preview pages of the LD5523T datasheet.

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Full PDF Text Transcription

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LD5523T 04/08/2021 Multi-Mode PWM Controller of Flyback with MOSFET Integrated REV. 00 General Description The LD5523T is built in a multi-mode PWM controller. The multi-mode PWM controller which consists of Quasi-Resonant (QR) PWM control for light load condition and Continue Conduction Mode (CCM) for heavy load condition. Moreover, the QR controller not only gains the system performance, but also brings the worse EMI capability, while the frequency swapping function of LD5523T can reduce the EMI emission of SMPS and helps the power circuit designers to simply deal with EMI filter and saves several component and developing time.
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