SSC3S931

Sanken SSC3S931 Half-Bridge PWM Controller IC

The SSC3S931 from Sanken Electric is a high-performance half-bridge PWM controller IC designed for isolated AC-DC and DC-DC power supply applications. This advanced power management IC features a 600V breakdown voltage rating and operates across a wide switching frequency range of 31.5kHz to 300kHz, making it ideal for aerospace, automotive, industrial, telecommunications, medical, and consumer electronics applications requiring robust power conversion solutions.

Key Features & Benefits

• High Voltage Capability: 600V breakdown voltage for robust isolation and reliability in demanding power supply applications
• Wide Frequency Range: 31.5kHz to 300kHz switching frequency provides exceptional design flexibility for optimizing efficiency and EMI performance
• Comprehensive Protection: Integrated current limiting, open circuit, overload, over-temperature, over-voltage, and UVLO fault protection ensures system safety and longevity
• Soft Start Control: Reduces inrush current and improves system reliability during power-up sequences
• Wide Operating Range: 10V to 35V supply voltage with -40°C to 85°C ambient temperature range for harsh environment applications
• Compact Surface Mount: 18-SOP package enables space-efficient PCB layouts in modern power supply designs
• RoHS Compliant: Meets environmental standards for global markets and regulatory compliance

Applications

This half-bridge controller is well-suited for switch-mode power supplies (SMPS), battery chargers, LED drivers, motor control circuits, telecom power systems, industrial automation equipment, and other power conversion systems requiring isolated topology with high efficiency and reliability. The SSC3S931 excels in applications demanding precise PWM control, comprehensive fault protection, and long-term availability.

Design Advantages

Engineers choose the SSC3S931 for its proven reliability in critical power supply designs. The integrated soft start function minimizes stress on power components during startup, while the comprehensive protection suite safeguards against common fault conditions. The wide switching frequency range allows designers to optimize for size, efficiency, or EMI performance based on specific application requirements. With full manufacturer traceability and long lifecycle support, this controller is ideal for products requiring extended field service life.

Quality & Support

Traceability & Lifecycle Support: Full manufacturer traceability and long lifecycle support available for critical applications in aerospace, defense, medical, and industrial sectors. Each component is traceable to manufacturing lot for quality assurance and compliance documentation.

Technical Resources: Complete datasheets, application notes, reference designs, and technical support available to accelerate your design cycle and ensure optimal performance.

Related Products & Resources

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• SSC3S931.pdf