Key facts
- Brand
- Fairchild
- Model
- FAN7621
- Industry
- Industrial
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2012-08-01
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Fairchild RD-325 Reference Design for FAN7621 PFM Controller
This document provides a reference design for the Fairchild FAN7621 PFM controller, targeting a 384W half-bridge resonant converter. It includes schematic details, transformer specifications, and efficiency curves. The design uses Fairchild’s FEP16FT/FET16FTA and FEP16BT/FET16BTA rectifiers and FCPF11N60 SuperFET™ MOSFETs. Key features include variable frequency control, zero voltage switching, and multiple protection functions. The document also includes transformer winding details and electrical characteristics for design implementation.
Read onlineFairchild FAN7621 specifications
| Input Voltage Range | 340~400Vpc |
|---|---|
| Output Power | 384W |
| Operating Frequency | Up to 300kHz |
| Transformer Core | EED4244D (Ae=158 mm2) |
| Primary-Side Inductance | 240uH+5% |
Source: Fairchild RD-325 Reference Design for FAN7621 PFM Controller
All Fairchild FAN7621 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating frequency of the FAN7621 controller?
Up to 300kHz Operating Frequency.
From: Fairchild RD-325 Reference Design for FAN7621 PFM Controller
What is the transformer core used?
EED4244D with Ae=158 mm2.
From: Fairchild RD-325 Reference Design for FAN7621 PFM Controller
What is the maximum operating frequency for this design?
The converter supports an operating frequency of up to 300kHz.
From: FAIRCHILD RD-324 - PFM Controller FAN7621 FYP2010DN FQPF8N60C handbook