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FAN7930B Datasheet (PDF) - Fairchild Semiconductor

FAN7930B Datasheet PDF - Fairchild Semiconductor
Part # FAN7930B
Download  FAN7930B Download

File Size   944.53 Kbytes
Page   22 Pages
Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Description Critical Conduction Mode PFC Controller

FAN7930B Datasheet (PDF)

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FAN7930B Datasheet PDF - Fairchild Semiconductor

Part # FAN7930B
Download  FAN7930B Click to download

File Size   944.53 Kbytes
Page   22 Pages
Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Description Critical Conduction Mode PFC Controller

FAN7930B Datasheet (HTML) - Fairchild Semiconductor

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FAN7930B Product details

Description

The FAN7930B is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM). It uses a voltage-mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal. Because the voltage-mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of an input voltage sensing network necessary for a current-mode CRM PFC controller.



Features

ƒ  Additional OVP Detection Pin

ƒ  Input Voltage Absent Detection Circuit

ƒ  Maximum Switching Frequency Limitation

ƒ  Internal Soft-Start and Overshoot-less Control

ƒ  Internal Total Harmonic Distortion (THD) Optimizer

ƒ  Precise Adjustable Output Over-Voltage Protection

ƒ  Open-Feedback Protection and Disable Function

ƒ  Zero Current Detector

ƒ  150μs Internal Startup Timer

ƒ  MOSFET Over-Current Protection

ƒ  Under-Voltage Lockout with 3.5V Hysteresis

ƒ  Low Startup and Operating Current

ƒ  Totem-Pole Output with High State Clamp

ƒ  +500/-800mA Peak Gate Drive Current

ƒ  8-Pin Small Outline Package (SOP)



Applications

ƒ  Adapter

ƒ  Ballast

ƒ  LCD TV, CRT TV

ƒ  SMPS




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About Fairchild Semiconductor


Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s.
The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.
Fairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products.
The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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