The Sanken SSC3S134 is a quasi-resonant PWM controller IC designed for efficient and compact power supplies. This IC integrates multiple protection features and control functions to simplify design and improve the performance of switching power converters, offering good efficiency and reducing EMI.

Applications:

• AC-DC adapters for laptops and mobile devices
• Auxiliary power supplies for TVs and consumer electronics
• Industrial power supplies
• LED lighting power supplies
• Battery chargers

Features:

• Quasi-resonant operation for reduced EMI and improved efficiency
• Integrated soft-start function
• Overcurrent protection (OCP)
• Overvoltage protection (OVP)
• Overload protection (OLP)
• Under voltage lockout (UVLO)
• Frequency Hopping function

Benefits:

• High efficiency and reduced power consumption due to quasi-resonant operation
• Simplified design with integrated protection features
• Improved reliability and robustness
• Reduced EMI emissions through frequency hopping
• Cost-effective solution for switching power supplies

The Sanken SSC3S134 PWM controller maximizes the efficiency and reliability of switching power supplies. Its quasi-resonant operation minimizes electromagnetic interference (EMI) and improves overall efficiency. The integration of soft-start, overcurrent protection (OCP), overvoltage protection (OVP), and overload protection (OLP) simplifies the design process and enhances the robustness of the power supply. The under-voltage lockout (UVLO) feature ensures safe operation during startup and shutdown. The frequency hopping function further reduces EMI emissions, making it ideal for sensitive applications. This IC is suitable for a wide range of applications, including AC-DC adapters, auxiliary power supplies, LED lighting, and battery chargers. By offering a comprehensive set of features and benefits, the SSC3S134 enables designers to create efficient, reliable, and cost-effective power solutions with superior EMI performance.