onsemi NCP1217D100R2

NCP1217D100R2 Flyback Switching Controller by onsemi

The NCP1217D100R2 is a high-performance AC/DC offline switching controller from onsemi, designed for isolated flyback topology applications. This controller operates at a fixed 100kHz switching frequency with a 74% duty cycle, making it ideal for cost-effective power supply designs in industrial, consumer, and telecom applications.

Key Features & Benefits

• Isolated Flyback Topology: Provides galvanic isolation for enhanced safety and noise immunity
• 100kHz Switching Frequency: Enables compact transformer design and reduced component size
• Wide Supply Voltage Range: 7.6V to 16V operating range with 12.8V start-up voltage
• Comprehensive Protection: Built-in over-load, over-temperature, and short-circuit fault protection
• Surface Mount 8-SOIC Package: Space-saving design for high-density PCB layouts
• Extended Temperature Range: Operates reliably from 0°C to 150°C (TJ)
• Tape & Reel Packaging: Ready for automated assembly processes

Typical Applications

• AC/DC adapters and chargers
• Auxiliary power supplies
• Industrial control systems
• Consumer electronics power management
• Telecom and networking equipment

Authorized Distributor: We are an authorized distributor providing 100% genuine onsemi components with full traceability and RoHS/REACH compliance documentation. All products come with manufacturer warranty and long lifecycle support.

• NCP1217D100R2.pdf