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LD7538 - Green-Mode PWM Controller

Description

The LD7538 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) and OVP (Over Voltage Protection) 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 Details

Part number LD7538
Manufacturer Leadtrend Technology
File Size 617.73 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7538 Datasheet

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Full PDF Text Transcription

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LD7538 11/13/2012 Green-Mode PWM Controller with Frequency Swapping and Integrated Protections Rev. 00 General Description The LD7538 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) and OVP (Over Voltage Protection) to prevent circuit damage occurred under abnormal conditions.
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