The SSC3S211-TL is a power factor correction (PFC) controller IC manufactured by Sanken Electric. It is designed for use in AC-DC power supplies to improve power factor and reduce harmonic distortion. This controller integrates various protection features and control algorithms to achieve high efficiency and reliable operation.

Applications:

• AC-DC power supplies
• LED lighting power supplies
• Adapters
• Electronic ballasts
• Other power conversion applications requiring power factor correction

Features:

• Continuous Conduction Mode (CCM) PFC control: Provides high power factor correction.
• Integrated protection functions: Includes over-voltage protection (OVP), over-current protection (OCP), and under-voltage lockout (UVLO).
• Low start-up current: Reduces power consumption during start-up.
• Frequency hopping function: Improves EMI performance.
• Soft-start function: Reduces stress on power components during start-up.

Benefits:

• Improved power factor: Reduces energy waste and improves power grid utilization.
• Reduced harmonic distortion: Meets regulatory requirements for harmonic emissions.
• Enhanced system reliability: Integrated protection features prevent damage from abnormal conditions.
• High efficiency: CCM control and optimized design minimize power losses.
• Simplified design: Integrated functions reduce the number of external components.

Technical Specifications:

The SSC3S211-TL operates with a wide input voltage range. It uses a fixed frequency control method, and the frequency is typically around 65 kHz. It is available in a compact package.