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AN-6747B

Fairchild Semiconductor
Part Number AN-6747B
Manufacturer Fairchild Semiconductor
Description Flyback Power Supply
Published Feb 20, 2014
Detailed Description www.fairchildsemi.com AN-6747 Applying FAN6747 to Control a Flyback Power Supply with Peak Current Output 1. Introducti...
Datasheet PDF File AN-6747B PDF File

AN-6747B
AN-6747B

Overview
www.
fairchildsemi.
com AN-6747 Applying FAN6747 to Control a Flyback Power Supply with Peak Current Output 1.
Introduction Highly integrated PWM controller, FAN6747, is optimized for applications with motor load, such as printers and scanners, that inherently impose some kind of overload condition on the power supply during acceleration mode.
FAN6747 provides a two-level OCP function that allows the SMPS to stably deliver peak power during the motor acceleration without causing premature shutdown, while protecting the SMPS from overload condition.
Green-mode and burst-mode functions with a low operating current maximize the light-load efficiency so that the power supply can meet stringent standby power regulations.
The frequency-hopping function reduces electro-magnetic interference (EMI) of a power supply by spreading the energy over a wider frequency range.
The constant power limit function minimizes the component stress in abnormal condition and helps optimize the power stage.
Prote...


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