FAN9611 datasheet(4/30 Pages) FAIRCHILD

No de pièce	FAN9611

Description	Dual BCM PFC Controller

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Fabricant	FAIRCHILD [Fairchild Semiconductor]

Site Internet	http://www.fairchildsemi.com

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FEB279_FAN9611/12 • Rev. 0.0.2

2. Key Features

Low Total Harmonic Distortion, High Power Factor

180° Out-of-Phase Synchronization

Automatic Phase Disable at Light Load

1.8A Sink, 1.0A Source, High-Current Gate Drivers

Transconductance (gM) Error Amplifier for Reduced Overshoot

Voltage-Mode Control with (VIN)

2 Feed-forward

Closed-Loop Soft-Start with Programmable Soft-Start Time for Reduced Overshoot

Minimum Restart Timer Frequency to Avoid Audible Noise

Maximum Switching Frequency Clamp

Brownout Protection with Soft Recovery

Non-Latching OVP on FB Pin and Second-Level Latching Protection on OVP Pin

Open-Feedback Protection

Over-Current and Power-Limit Protection for Each Phase

Low Startup Current: 80µA Typical

Works with DC, 50Hz to 400Hz AC Inputs

Figure 1.

Block Diagram

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