FAN7631SJX

The FAN7631SJX is a highly integrated green current mode Pulse Width Modulation (PWM) controller designed for off-line quasi-resonant flyback power converters. It is optimized for high-efficiency power supplies with minimal external components. Here’s a detailed description:

• Type: Green Current Mode PWM Controller.
• Topology: Designed for quasi-resonant (QR) flyback power converters, which enhances efficiency by minimizing switching losses.
• Operation: Features a variable frequency operation to improve efficiency, particularly at light loads, reducing power consumption and heat generation.
• Power Efficiency: Incorporates advanced power-saving features like burst mode operation and valley switching to reduce switching losses and improve overall efficiency.
• Protection Features: Includes comprehensive protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown to ensure safe and reliable operation.
• Low Standby Power: Designed to achieve extremely low standby power consumption, making it ideal for energy-efficient power supplies that comply with global energy regulations.
• Soft Start: Integrated soft-start function reduces inrush current during startup, protecting components and enhancing reliability.
• Package: Available in a compact SOP-8 package, facilitating easy integration into space-constrained designs.

The FAN7631SJX is ideal for use in applications such as adapters, chargers, and small power supplies for consumer electronics, where high efficiency, low standby power, and robust protection are critical. Its green mode operation and comprehensive protection features make it suitable for designing energy-efficient and reliable power converters.