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Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
FSQ321L
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,889.44 AED | Dhs. 355,889.44 AED |
| 15+ | Dhs. 344,650.82 AED | Dhs. 5,169,762.30 AED |
| 25+ | Dhs. 337,158.41 AED | Dhs. 8,428,960.25 AED |
| 50+ | Dhs. 318,427.39 AED | Dhs. 15,921,369.50 AED |
| 100+ | Dhs. 280,965.35 AED | Dhs. 28,096,535.00 AED |
| N+ | Dhs. 56,193.07 AED | Price Inquiry |
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onsemi FSQ321L - FPS™ Series Flyback Switching Controller IC
The FSQ321L from onsemi is a high-performance offline switching controller IC designed for isolated flyback topology applications up to 12W. Part of the proven FPS™ (Fairchild Power Switch) series, this integrated controller combines a 650V power MOSFET with advanced control circuitry in a compact 8-LSOP surface mount package.
Key Features & Benefits
- Integrated 650V Power Switch - Reduces component count and simplifies design
- 12W Power Capability - Ideal for low-to-medium power AC/DC adapters and chargers
- 55-67kHz Switching Frequency - Optimized for efficiency and EMI performance
- Comprehensive Protection - Built-in current limiting, overload, over-temperature, and over-voltage protection
- Wide Operating Range - 8V to 20V supply voltage, -40°C to +85°C ambient temperature
- Synchronization Capability - Enables multi-output or paralleled designs
- Low Startup Voltage - 12V startup reduces standby power consumption
Typical Applications
- AC/DC adapters and chargers for consumer electronics
- Auxiliary power supplies for industrial equipment
- LED driver circuits
- Set-top boxes and home appliances
- Battery chargers and power tools
Why Choose FSQ321L from Our Authorized Distribution?
We provide 100% authentic onsemi components with full manufacturer traceability, comprehensive datasheets, and technical support. Our authorized distributor status ensures you receive genuine parts backed by onsemi's quality standards and warranty. Global shipping available with expedited options for urgent design-in requirements.
Documentation & Support
Full datasheet, application notes, reference designs, and technical support available. Contact our engineering team for design-in assistance, sample requests, or volume pricing inquiries.
RoHS Compliant - Meets environmental standards for lead-free manufacturing.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | FPS™ |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Topology | Flyback |
| Voltage - Start Up | 12 V |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 20V |
| Duty Cycle | - |
| Frequency - Switching | 55kHz ~ 67kHz |
| Power (Watts) | 12 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control Features | Sync |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD, Gull Wing |
| Supplier Device Package | 8-LSOP |
| ROHS |  |
FSQ321L.pdf