FAN7621SJX AC-DC Power Conversion by ON Semiconductor

PFM Controller for Half-Bridge Resonant Converter

Status: Active
Series: FAN7621
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The FAN7621 is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FAN7621 simplifies designs and improves productivity, while improving performance. The FAN7621 includes a high-side gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in protection functions. The high-side gate-drive circuit has a common-mode noise cancellation capability, which guarantees stable operation with excellent noise immunity. Using the zero-voltage-switching (ZVS) technique dramatically reduces the switching losses and efficiency is significantly improved. The ZVS also reduces the switching noise noticeably, which allows a small-sized Electromagnetic Interference (EMI) filter The FAN7621 can be applied to various resonant converter topologies; such as series resonant, parallel resonant, and LLC resonant converters.

Prices starting from US$0.83


Distributor Starting From Stock
Logo for element14 element14 US$1.13
340
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Logo for Avnet America Avnet America US$0.83
-
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Logo for Newark Electronics Newark Electronics -
-
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Features

Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology
High Efficiency through Zero Voltage Switching (ZVS)
Fixed Dead Time (350ns)
Up to 300kHz Operating Frequency
Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition
Remote On/Off Control using CON Pin
Protection Functions: Over-Voltage Protection (OVP), Overload Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)
Applications
PDP TV
Desktop PC
Video Game Console
End Products
LCD TV
Server

Specifications

Description FAN7621
Compliance Pb-free
Package Type SOP-16

Alternative Descriptions

Pulse Frequency Modulation Controller 16-Pin SOP-II T/R | Avnet America
Pfm Cntlr For Half-Bridge/Reel |Onsemi FAN7621SJX | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a FAN7621SJX?

Additional datasheets, footprints and schematics for FAN7621SJX are listed on our Part Details page. You can also find images and similar parts to FAN7621SJX on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for FAN7621SJX on our Product Comparison page. Access via the 'View Pricing & Stock' button to view FAN7621SJX price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does FAN7621SJX fall under?

The FAN7621SJX is listed under Power Management > AC-DC Power Conversion > Offline Controllers.

Can I view similar or alternative parts?

You can view similar parts to FAN7621SJX when available in the Offline Controllers range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the FAN7621SJX you can contact the distributor directly for product support, shipping queries etc.

Is the FAN7621SJX RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for FAN7621SJX have stock available?

Authorised distributors including element14, Farnell, Avnet America and Newark Electronics have stock available or on a lead time for FAN7621SJX.

How do I check stock and lead times for all distributors?

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