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LD5537I1 - Green-Mode PWM Controller

This page provides the datasheet information for the LD5537I1, a member of the LD5537B1 Green-Mode PWM Controller family.

Datasheet Summary

Description

The LD5537B1/I1 is built-in with several functions, protection and EMI-improved solution in a tiny package.

It takes less components counts or circuit space, especially ideal for those total solutions of low cost.

Features

  • more protections like OLP (Over Load Protection)、OVP (Over Voltage Protection) and AC BNI / BNO to prevent circuit damage occurred under abnormal conditions. Furthermore, the frequency swapping function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by spending minimum amount of component cost and developing time. Features.
  • High-Voltage CMOS Process with Excellent ESD protection.
  • Very Low Startup Current (.

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Datasheet preview – LD5537I1

Datasheet Details

Part number LD5537I1
Manufacturer Leadtrend
File Size 792.32 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD5537I1 Datasheet
Additional preview pages of the LD5537I1 datasheet.

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Full PDF Text Transcription

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LD5537B1/I1 12/18/2018 Green-Mode PWM Controller with Frequency Swapping and Integrated Protections REV. 00 General Description The LD5537B1/I1 is built-in with several functions, protection and EMI-improved solution in a tiny package. It takes less components counts or circuit space, especially ideal for those total solutions of low cost. The implemented functions include low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation. It also features more protections like OLP (Over Load Protection)、OVP (Over Voltage Protection) and AC BNI / BNO to prevent circuit damage occurred under abnormal conditions.
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