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LD7531A - Green-Mode PWM Controller

Datasheet Summary

Description

The LD7531A is built-in with several functions, protection and EMI-improved solution in a SOT-26/ DIP-8 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 the circuit damage from the abnormal conditions. Furthermore, the frequency trembling function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by using minimum component cost and developing time. Features z High-Voltage CMOS Process with Excellent ESD protection z Very Low Startup Current (.

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Datasheet preview – LD7531A

Datasheet Details

Part number LD7531A
Manufacturer Leadtrend Technology
File Size 284.30 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7531A Datasheet
Additional preview pages of the LD7531A datasheet.

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Full PDF Text Transcription

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LD7531A 7/6/2009 Green-Mode PWM Controller with Frequency Trembling and Integrated Protections REV: 00 General Description The LD7531A is built-in with several functions, protection and EMI-improved solution in a SOT-26/ DIP-8 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. And the LD7531A features more protections like OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent the circuit damage from the abnormal conditions.
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