NCP1203P60

NCP1203P60 - High-Performance Flyback PWM Controller IC

The NCP1203P60 from onsemi is a precision flyback PWM controller IC designed for isolated AC-DC offline switching power supplies. Part of the SMARTMOS™ family, this controller delivers reliable performance across demanding aerospace, automotive, industrial, medical, and telecommunications applications.

Key Features & Benefits

• 60kHz Switching Frequency - Optimized for compact transformer designs and reduced EMI
• Wide Supply Range: 7.8V to 16V operating voltage with 12.8V startup
• 80% Maximum Duty Cycle - Maximizes power transfer efficiency
• Comprehensive Protection: Overload, over-temperature, and short-circuit fault protection
• Extended Temperature Range: -40°C to 125°C junction temperature for harsh environments
• Through-Hole 8-DIP Package - Easy prototyping and reliable mechanical mounting
• Isolated Topology - Ensures safe galvanic isolation between input and output

Typical Applications

• AC-DC offline power supplies
• Auxiliary power modules for industrial equipment
• Isolated bias supplies for telecom infrastructure
• Battery chargers and adapters
• Medical device power systems

Why Choose NCP1203P60?

Engineered for mission-critical systems, the NCP1203P60 combines onsemi's proven SMARTMOS technology with robust fault protection and wide operating margins. Its flyback topology enables cost-effective isolated power conversion, while the 60kHz switching frequency strikes an optimal balance between efficiency, size, and EMI performance.

Fully RoHS/REACH compliant with complete traceability, this controller is backed by onsemi's long lifecycle commitment—ensuring availability for designs that demand multi-year supply continuity.

• NCP1203P60.pdf