onsemi FSQ321LX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 5.51 | Dhs. 5.51 |
| 15+ | Dhs. 5.35 | Dhs. 80.25 |
| 25+ | Dhs. 5.23 | Dhs. 130.75 |
| 50+ | Dhs. 4.94 | Dhs. 247.00 |
| 100+ | Dhs. 4.36 | Dhs. 436.00 |
| N+ | Dhs. 0.87 | Price Inquiry |
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FSQ321LX - onsemi FPS™ Offline Flyback Switching Regulator
The FSQ321LX from onsemi is a high-performance offline flyback switching regulator IC designed for isolated AC-DC power conversion applications up to 12W. Part of the proven FPS™ (Fairchild Power Switch) family, this integrated switcher 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 board space
- 12W Output Power - Ideal for auxiliary supplies, adapters, and standby converters
- Wide Operating Range - 8V to 20V supply voltage with 12V startup
- Variable Frequency Operation - 55kHz to 67kHz switching for optimized EMI performance
- Comprehensive Protection - Built-in current limiting, overload, over-temperature, and over-voltage safeguards
- Synchronization Capability - Sync control for multi-rail designs
- Industrial Temperature Range - Operates reliably from -40°C to +85°C
- RoHS Compliant - Meets environmental standards for global markets
Typical Applications
- AC-DC adapters and chargers
- Auxiliary power supplies for industrial equipment
- Standby power for consumer electronics
- Smart home and IoT device power
- LED driver circuits
- Set-top boxes and networking equipment
Why Choose FSQ321LX?
The FSQ321LX delivers exceptional reliability and efficiency for cost-sensitive isolated power designs. Its integrated approach simplifies circuit design, reduces BOM costs, and accelerates time-to-market. With onsemi's proven FPS™ architecture and comprehensive fault protection, you can design with confidence for long product lifecycles in aerospace, automotive, industrial, telecommunications, medical, and consumer applications.
All specifications are subject to change without notice. Please refer to the manufacturer's datasheet for complete design information and application guidelines.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | FPS™ |
| Packaging | Cut Tape (CT) | |
| 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 |  |
No datasheet available. Please contact sales@hqickey.com for the latest datasheet.
