User Guide for FEBFAN9673_B01H5000A Evaluation Board 5 kW Three-Channel CCM PFC with 12 VSB Module Evaluation Board
■The FAN9673 is a 32-pin,Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller IC intended for PFC pre-regulators.The FAN9673 includes average current and boost-type power factor correction, which results in a power supply that fully complies with the IEC1000-3-2 specification.A TriFault Detect™ function helps reduce external components and provides full protection for feedback loops,such as over voltage.An over-voltage comparator shuts down the PFC stage in the event of a sudden load decrease.The RDY signal can be used for power-on sequence control.The Channel Management (CM) function can enable/ disable the each channel independently.The FAN9673 also includes PFC soft-start,peak current limiting,and input voltage brown-in/out protection.
●Features:
■Continuous Conduction Mode Control
■Maximum Three-Channel PFC Control
■Average Current Mode Control
■PFC Slave Channels External Signal / Channel Management Function Control
■Programmable Operation Frequency Range: 18 kHz~40 kHz or 55 kHz~75 kHz
■Programmable PFC Output Voltage
■Two Types of Current Limit
■TriFault Detect™ Protects Against Feedback Loop Failure
■SAG Protection
■Programmable Soft Start
■Under-Voltage Lockout (UVLO)
■Differential Current Sensing
■Available in 32-Pin LQFP Package
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Evaluation Board 、 5 kW Three-Channel CCM PFC with 12 VSB Module Evaluation Board |
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Application note & Design Guide |
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Please see the document for details |
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LQFP |
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English Chinese Chinese and English Japanese |
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July 2014 |
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Rev. 1.0.2 |
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FEBFAN9673_B01H5000A |
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2.1 MB |
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