Continuous Conduction mode (CCM) Power Factor Controller, Interleaved Three-Channel 

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Overview

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.

  • Energy Generation & Distribution
  • Industrial Motor
  • Motion
  • Motion Control - Home Appliance
  • Motion Control - Home Appliance/Industrial Motor
  • Motion Control - Industrial Motor
  • Motion-Industrial motor
  • 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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Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

PFC Mode

Frequency Operation

Control Mode

Topology

fSW Typ (kHz)

VCC Max (V)

Drive Cap. (mA)

UVLO (V)

Latch

UVP

Inhibition

Pricing ($/Unit)

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FAN9673Q

Active

Pb

A

H

P

LQFP-32

3

260

JTRAY

2500

Y

CCM

Fixed

Current Mode

Step-Up

40 / 75

30

470 / 550

12.8

No

Yes

No

$3.1101

More Details

FAN9673QX

Obsolete

Pb

A

H

P

LQFP-32

3

260

REEL

2000

N

CCM

Fixed

Current Mode

Step-Up

40 / 75

30

470 / 550

12.8

No

Yes

No

Price N/A

More Details

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