FAN9673 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

FAN9673
Manufacturer

ON Semiconductor
ChipWorker Part#

CW1242827460
RoHS

Lead free / RoHS Compliant
Description

Power Factor Controller (PFC), Interleaved Three-Channel CCM
Documentation

Datasheet

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FAN9673 Specifications

Attribute	Attribute Value

Part Number	FAN9673
Manufacturer	ON Semiconductor
ChipWorker Part#	CW1242827460
Documentation	Datasheet
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

The FAN9673 is an interleaved three-channel Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller IC intended for PFC pre-regulators. Incorporating circuits for the implementation of leading edge, average current, and “boost”-type power factor correction; the FAN9673 enables the design of a power supply that fully complies with the IEC1000-3-2 specification. Interleaved operation provides substantial reduction in the input and output ripple currents and the conducted EMI filtering becomes easier and cost effective.An innovative channel management function allows the power level of the slave channels to be loaded and unloaded smoothly according to the setting voltage on the CM pin, improving the PFC converter’s load transient response.The FAN9673 also incorporates a variety of protection functions, including: peak current limiting, input voltage brown out protection, and TriFault Detect™ function.
Features
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Continuous Conduction Mode Control
Three-Channel PFC Control (Maximum)
Average Current-Mode Control
PFC Slave Channel Management Function
Programmable Operation Frequency Range: 18 kHz~40 kHz or 55 kHz~75 kHz
Programmable PFC Output Voltage
Two Current Limit Functions
TriFault Detect™ Protects Against Feedback Loop Failure
Sag Protection
Programmable Soft-Start
Under-Voltage Lockout (UVLO)
Differential Current Sensing

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