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Power Factor Controllers | FAN9673

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

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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 鈥渂oost鈥�-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鈥檚 load transient response.
The FAN9673 also incorporates a variety of protection functions, including: peak current limiting, input voltage brown out protection, and TriFault Detect鈩� 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鈩� Protects Against Feedback Loop Failure
  • SAG Protection
  • Programmable Soft-Start
  • Under-Voltage Lockout (UVLO)
  • Differential Current Sensing

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FAN9673Q

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Active

CAD Model

Pb

A

H

P

LQFP-32

561AB

3

260

JTRAY

2500

Y

CCM

Fixed

Current Mode

Step-Up

40 / 75

30

470 / 550

12.8

No

Yes

No

$3.1101

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FAN9673QX

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Obsolete

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CAD Model

Pb

A

H

P

LQFP-32

561AB

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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Reliability Data

Die Related Summary Data

Device: FAN9673Q

Equivalent to wafer fab process: CN

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Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CN

6

425600109

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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