onsemi FSD200

FSD200 - Fairchild Power Switch (FPS™) Offline Switching IC

The FSD200 from onsemi is a high-performance 7W flyback switching IC designed for isolated AC/DC power supply applications. Part of the proven FPS™ series, this integrated power switch combines a 700V breakdown voltage MOSFET with advanced control circuitry in a compact 7-PDIP through-hole package.

Key Features & Benefits

• Integrated 700V Power MOSFET - High voltage capability for universal AC input designs
• 7W Output Power - Optimized for low-power offline applications
• 134kHz Switching Frequency - Enables compact transformer design
• Comprehensive Protection - Built-in current limiting, overload, and over-temperature safeguards
• Low Startup Voltage (7V) - Reduces startup time and improves efficiency
• 65% Maximum Duty Cycle - Maximizes power transfer in flyback topology
• Wide Operating Range - Functions from -25°C to 85°C ambient temperature

Typical Applications

• AC/DC adapters and chargers
• Auxiliary power supplies
• Standby power circuits
• Consumer electronics power management
• Industrial control power supplies

Why Choose FSD200?

The FSD200 simplifies power supply design by integrating the high-voltage switch and control logic in a single package, reducing component count and board space. Its robust protection features ensure reliable operation across varying load conditions, while the through-hole package facilitates easy prototyping and manufacturing. Backed by onsemi's quality and long-term availability commitment, the FSD200 is an ideal choice for cost-effective, reliable offline power conversion.

• FSD200.pdf