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FAN9611 Datenblatt (PDF) - Fairchild Semiconductor

FAN9611 Datasheet PDF - Fairchild Semiconductor
Teilenummer FAN9611
Download  FAN9611 Download

Filegröße   1313.89 Kbytes
Page   35 Pages
Hersteller  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Bauteilbeschribung Interleaved Dual BCM PFC Controllers

FAN9611 Datasheet (PDF)

Go To PDF Page Download Datenblatt
FAN9611 Datasheet PDF - Fairchild Semiconductor

Teilenummer FAN9611
Download  FAN9611 Click to download

Filegröße   1313.89 Kbytes
Page   35 Pages
Hersteller  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Bauteilbeschribung Interleaved Dual BCM PFC Controllers

FAN9611 Datenblatt (HTML) - Fairchild Semiconductor

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FAN9611 Produktdetails

Description
The FAN9611/12 family of interleaved dual Boundary Conduction-Mode (BCM) Power-Factor-Correction (PFC) controllers operate two parallel-connected boost power trains 180° out of phase. Interleaving extends the maximum practical power level of the control technique from about 300W to greater than 800W. Unlike the continuous conduction mode (CCM) technique often used at higher power levels, BCM offers inherent zero current switching of the boost diodes, which permits the use of less expensive diodes without sacrificing efficiency. Furthermore, the input and output filters can be smaller due to ripple current cancellation and effective doubling of the switching frequency.
The converters operate with variable frequency, which is a function of the load and the instantaneous input / output voltages. The switching frequency is limited between 16.5kHz and 525kHz. The Pulse Width Modulators (PWM) implement voltage-mode control with input voltage feedforward. When configured for PFC applications, the slow voltage regulation loop results in constant on-time operation within a line cycle. This PWM method, combined with the BCM operation of the boost converters, provides automatic power factor correction.
The controllers offers bias UVLO (10V / 7.5V for FAN9611 and 12.5V / 7.5V for FAN9612), input brownout, over-current, open-feedback, output over voltage, and redundant latching over-voltage protections. Furthermore, the converters’ output power is limited independently of the input RMS voltage. Synchronization between the power stages is maintained under all operating conditions.

Features
■ Sync-Lock™ Interleaving Technology for 180° Out-of-Phase Synchronization Under All Conditions
■ Automatic Phase Disable at Light Load
■ Dead-Phase Detect Protection
■ 2.0A Sink, 1.0A 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
■ Maximum Switching Frequency Clamp
■ Brownout Protection with Soft Recovery
■ Non-Latching OVP on FB Pin and Latching Second Level Protection on OVP Pin
■ Open-Feedback Protection
■ Power-Limit and Current Protection for Each Phase
■ Low Startup Current of 80µA Typical
■ Works with DC and 50Hz to 400Hz AC Inputs

Applications
■ 100-1000W AC-DC Power Supplies
■ Large Screen LCD-TV, PDP-TV, RP-TV Power
■ High-Efficiency Desktop and Server Power Supplies
■ Networking and Telecom Power Supplies
■ Solar Micro Inverters




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Über Fairchild Semiconductor


Fairchild Semiconductor war eine wegweisende Halbleiterfirma, die Ende der 1950er Jahre gegründet wurde.
Das Unternehmen war bekannt für seine Innovation bei der Entwicklung des ersten kommerziellen Transistors und für seine Beiträge zur Weiterentwicklung der integrierten Schaltungstechnologie.
Fairchild wurde zum führenden Anbieter von Power-Halbleitern, analogen und gemischten Signal-integrierten Schaltungen und anderen Halbleiterprodukten.
Das Unternehmen wurde 2016 von ON Semiconductor übernommen und seine Produkte und Technologien werden weiterhin unter der Marke Semiconductor entwickelt und verkauft.

*Diese Informationen dienen nur zu allgemeinen Informationszwecken. Wir haften nicht für Verluste oder Schäden, die durch die oben genannten Informationen verursacht werden.




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