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LD7575B - Green-Mode PWM Controller

General Description

The LD7575B is a current-mode PWM controller with excellent power-saving operation.

Key Features

  • a highvoltage current source to directly supply the startup current from bulk capacitor and further to provide a lossless startup circuit. The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation, and the small package provide the users a high efficiency, minimum external component counts, and low cost solution for AC/DC power.

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Datasheet Details

Part number LD7575B
Manufacturer Leadtrend
File Size 302.38 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7575B Datasheet

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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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LD7575B 5/26/2008 Green-Mode PWM Controller with High-Voltage Rev. 00 Start-Up Circuit General Description The LD7575B is a current-mode PWM controller with excellent power-saving operation. It features a highvoltage current source to directly supply the startup current from bulk capacitor and further to provide a lossless startup circuit. The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation, and the small package provide the users a high efficiency, minimum external component counts, and low cost solution for AC/DC power applications. Furthermore, the embedded over voltage protection, over load protection and the special green-mode control provide the solution for users to design a high performance power circuit easily.