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FAN4803CP1FSCN/a280avaiPower Factor Correction (PFC) and PWM Controller Combo
FAN4803CP-1 |FAN4803CP1FAIRCHILD ?N/a6avaiPower Factor Correction (PFC) and PWM Controller Combo
FAN4803CP2FAIRCHILDN/a40avaiPower Factor Correction (PFC) and PWM Controller Combo


FAN4803CP1 ,Power Factor Correction (PFC) and PWM Controller ComboGeneral Description• Internally synchronized PFC and PWM in one 8-pin IC The FAN4803 is a space-sav ..
FAN4803CP-1 ,Power Factor Correction (PFC) and PWM Controller ComboGeneral Description• Internally synchronized PFC and PWM in one 8-pin IC The FAN4803 is a space-sav ..
FAN4803CP2 ,Power Factor Correction (PFC) and PWM Controller ComboBlock Diagram7VCCPFC OFF REF VVEAO REF7V +V OVP4COMP CC+– 17.5VGNDCOMP–16.2V 235µ AM3–1M4PFC PFC OU ..
FAN4810M ,Power Factor Correction (PFC) PreregulatorGeneral Description• TriFault Detect™ for UL1950 compliance and enhanced The FAN4810 is a controlle ..
FAN4810M ,Power Factor Correction (PFC) Preregulator FAN4810Power Factor Correction Controller
FAN4810M ,Power Factor Correction (PFC) Preregulator FAN4810Power Factor Correction Controller
FHX35LG ,Low Noise HEMTFHX35X/002FHX35LG/002Low Noise HEMTDESCRIPTIONThe FHX35X/002 Chip and FHX35LG/002 packaged devices ..
FHX35LG ,Low Noise HEMTFEATURES• High TransconductanceLG PACKAGE• Low Leakage Current• Low Gate Capacitance• Gold Bonding ..
FHX76LP , Super Low Noise HEMT
FIN1001M5 ,3.3V LVDS 1-Bit High Speed Differential DriverElectrical CharacteristicsOver supply voltage and operating temperature ranges, unless otherwise sp ..
FIN1001M5X ,3.3V LVDS 1-Bit High Speed Differential DriverFeaturesThis single driver is designed for high speed interconnects

FAN4803CP1-FAN4803CP-1-FAN4803CP2
Power Factor Correction (PFC) and PWM Controller Combo

Features
Internally synchronized PFC and PWM in one 8-pin IC Patented one-pin voltage error amplifier with advanced
input current shaping technique Peak or average current, continuous boost, leading edge
PFC (Input Current Shaping Technology) High efficiency trailing-edge current mode PWM Low supply currents; start-up: 150µA typ., operating:
2mA typ. Synchronized leading and trailing edge modulation Reduces ripple current in the storage capacitor between
the PFC and PWM sections Overvoltage, UVLO, and brownout protection PFC V
OVP with PFC Soft Start
General Description

The FAN4803 is a space-saving controller for power factor
corrected, switched mode power supplies that offers very
low start-up and operating currents.
Power Factor Correction (PFC) offers the use of smaller, lower
cost bulk capacitors, reduces power line loading and stress on
the switching FETs, and results in a power supply fully compli-
ant to IEC1000-3-2 specifications. The FAN4803 includes
circuits for the implementation of a leading edge, average
current “boost” type PFC and a trailing edge, PWM.
The FAN4803-1’s PFC and PWM operate at the same
frequency, 67kHz. The PFC frequency of the FAN4803-2 is
automatically set at half that of the 134kHz PWM. This
higher frequency allows the user to design with smaller
PWM components while maintaining the optimum operating
frequency for the PFC. An overvoltage comparator shuts
down the PFC section in the event of a sudden decrease in
load. The PFC section also includes peak current limiting for
enhanced system reliability.
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