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LD7575A - Green-Mode PWM Controller

General Description

The LD7 575A is a c urrent-mode PWM con troller with tures a highexcellent pow er-saving o peration.

It fea voltage current source to directly supply the startup current from bulk capacitor and further to provide a lossless startup circuit.

Key Features

  • z z z z z z z z z z High-Voltage (500V) Startup Circuit Current Mode Control Non-Audible-Noise Green Mode Control UVLO (Under Voltage Lockout) LEB (Leading-Edge Blanking) on CS Pin Programmable Switching Frequency Internal Slope Compensation OVP (Over Voltage Protection) on Vcc OLP (Over Load Protection) 500mA Driving Capability.

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Datasheet Details

Part number LD7575A
Manufacturer Leadtrend
File Size 426.96 KB
Description Green-Mode PWM Controller
Datasheet download datasheet LD7575A 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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LD7575A 11/29/2007 Green-Mode PWM Controller with High-Voltage Start-Up Circuit Rev.00a General Description The LD7 575A is a c urrent-mode PWM con troller with tures a highexcellent pow er-saving o peration. It fea voltage 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 le ading-edge blanking of the current sensing, internal slope compensation, and the small package provide the users a high effic iency, minimum external component counts, and low cost solution for AC/DC power applications.