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LD7537 - Green-Mode PWM Controller

General Description

The LD7537 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 compensation.

Key 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 z z z z z z z z z z z z High-Voltage CMOS Process with Excellent ESD protection Very Low Startup Current (.

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Datasheet Details

Part number LD7537
Manufacturer Leadtrend
File Size 402.59 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7537 Datasheet

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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LD7537 12/15/2011 Green-Mode PWM Controller with Frequency Swapping and Integrated Protections Rev. 01a General Description The LD7537 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 compensation. power-saving operation, leading-edge blanking of the current sensing and internal slope It also features more protections like OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent circuit damage occurred under abnormal conditions.