
Fairchild (onsemi)
FSFR1700US
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FSFR1700US Description
FSFR1700US Description
The FSFR1700US is an active, offline switch-mode power supply (SMPS) controller designed for high-efficiency power conversion applications. Manufactured by Fairchild Semiconductor (now part ofsemi on), this device is part of the FPS™ series and is housed in a through-hole 9SIP package. It features an internal switch capable of operating at frequencies up to 300kHz, providing robust performance in a compact form factor. The FSFR1700US is designed to operate within a supply voltage range of 10V to 25V and offers a startup voltage of 12.5V. It supports isolated output configurations and includes comprehensive fault mechanisms protection such as current limiting, over-temperature, and over-voltage protection. With a power rating of 200W and a breakdown voltage of 500V, the FSFR1700US is well-suited for demanding power management applications. It is REACH affected and RoHS3 compliant, ensuring environmental sustainability and regulatory adherence. The device has a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure, and is classified under ECCN EAR99 and HTSUS code 8542.39.0001.
FSFR1700US Features
- Active Product Status: Ensures availability for current and future projects.
- Internal Switches: Integrated switches simplify design and reduce component count.
- High Switching Frequency: Up to 300kHz allows for smaller inductors and capacitors, reducing overall footprint.
- Wide Supply Voltage Range: 10V to 25V operation provides flexibility in various power supply configurations.
- Isolated Output: Ensures safety and reliability in applications requiring galvanic isolation.
- Comprehensive Fault Protection: Current limiting, over-temperature, and over-voltage protection safeguard against common failure modes.
- Frequency Control: Allows for precise control over switching frequency, optimizing efficiency and performance.
- High Power Rating: 200W capability high supports-power applications without compromising efficiency.
- High Breakdown Voltage: 500V ensures robustness against voltage spikes and transient events.
- Environmental Compliance: REACH affected and RoHS3 compliant, aligning with global environmental standards.
- Moisture Sensitivity Level 3: Suitable for manufacturing processes with up to 168 hours of exposure.
- Bulk Packaging: Facilitates easy handling and integration into production lines.
FSFR1700US Applications
The FSFR1700US is ideal for a variety of power management applications, including:
- Power Supplies: High-efficiency offline power supplies for consumer electronics, industrial equipment, and medical devices.
- Adapters and Chargers: Compact and efficient power conversion for portable devices and battery chargers.
-Tele communications: Reliable power solutions for base stations, routers, and other telecom infrastructure. - Industrial Equipment: Robust power management for machinery, automation systems, and control panels.
- Medical Devices: Safe and isolated power solutions for diagnostic equipment and patient monitoring systems.
- Renewable Energy: Efficient power conversion for solar inverters, wind turbines, and energy storage systems.
Conclusion of FSFR1700US
The FSFR1700US stands out in the power management industry due to its combination of high efficiency, robust performance, and comprehensive feature set. Its ability to operate at high frequencies and provide isolated outputs makes it a versatile choice for a wide range of applications. The inclusion of fault advanced protection mechanisms ensures reliability and longevity, while its environmental compliance and high power rating make it a sustainable and efficient solution. Whether used in consumer electronics, industrial equipment, or medical devices, the FSFR1700US delivers exceptional performance and value, making it a preferred choice for engineers and designers seeking a reliable power management solution.



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