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AN-6747B Datasheet - Fairchild Semiconductor

AN-6747B-FairchildSemiconductor.pdf

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Datasheet Details

Part number:

AN-6747B

Manufacturer:

Fairchild Semiconductor

File Size:

444.73 KB

Description:

Flyback power supply.

AN-6747B, Flyback Power Supply

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 shutdow

AN-6747B Features

* ng resistor value should be determined considering the over-current protection threshold and the pulse-by-pulse current limit threshold, as shown in Figure 5. The peak value of current sensing voltage (VCS) should be lower than the pulse-by-pulse current limit level for peak load condition. It shoul

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