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FAN9611 - Interleaved Dual BCM PFC Controllers

Description

The FAN9611 interleaved dual Boundary-ConductionMode (BCM) Power-Factor-Correction (PFC) controller operates two parallel-connected boost power trains 180° out of phase.

Interleaving extends the maximum practical power level of the control technique from about 300 W to greater than 800 W.

Features

  • Sync-Lock™ Interleaving Technology for 180° Out-of-Phase Synchronization Under All Conditions.
  • Automatic Phase Disable at Light Load.
  • Dead-Phase Detect Protection.
  • 2.0 A Sink, 1.0 A Source, High-Current Gate Drivers.
  • High Power Factor, Low Total Harmonic Distortion.
  • Voltage-Mode Control with (VIN)2 Feedforward.
  • Closed-Loop Soft-Start with User-Programmable Soft-Start Time for Reduced Overshoot.
  • Minimum Restart Frequency to Avoid Audible Noise.
  • Maximu.

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Full PDF Text Transcription

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FAN9611 — Interleaved Dual BCM PFC Controllers February 2013 FAN9611 Interleaved Dual BCM PFC Controllers Features  Sync-Lock™ Interleaving Technology for 180° Out-of-Phase Synchronization Under All Conditions  Automatic Phase Disable at Light Load  Dead-Phase Detect Protection  2.0 A Sink, 1.
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