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Power Factor Controllers | FAN9672

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

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Overview

The FAN9672 is an interleaved two-channel Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller IC intended for PFC pre-regulators. Incorporating circuits for leading edge, average current, and 鈥渂oost鈥�-type power factor correction; the FAN9672 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 simpler 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 FAN9672 also incorporates a variety of protection functions, including: peak current limiting, input voltage brownout 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
  • Two-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
  • Available in 32-Pin LQFP Package

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FAN9672Q

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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

$2.484

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