The FS6S1565RB is a highly integrated offline power switcher from Fairchild/ON Semiconductor, designed for energy-efficient power supplies. It incorporates a Pulse Width Modulation (PWM) controller and a SenseFET, minimizing external components and simplifying design. This device provides a cost-effective solution for applications requiring high efficiency and low standby power consumption.

Applications:

• Power adapters for consumer electronics
• Auxiliary power supplies in larger systems
• Open-frame power supplies
• Battery chargers
• Standby power supplies

Features:

• Integrated SenseFET: Reduces external component count and simplifies design.
• Advanced Burst-Mode Operation: Minimizes standby power consumption.
• Over Voltage Protection (OVP): Enhances system reliability by preventing damage from overvoltage conditions.
• Over Current Protection (OCP): Protects the device and the power supply from excessive current.
• Over Temperature Protection (OTP): Prevents thermal damage by shutting down the device when the temperature exceeds a safe limit.
• Under Voltage Lockout (UVLO): Ensures reliable startup and operation.
• Built-in soft start: Reduces stress on components during start-up.

Benefits:

• High Efficiency: Reduces energy consumption and heat dissipation.
• Low Standby Power: Meets stringent energy efficiency regulations.
• Simplified Design: Reduces BOM cost and development time.
• Robust Protection Features: Enhances system reliability and prevents failures.
• Compact Size: Enables smaller and lighter power supply designs.

Additional Details:

The FS6S1565RB operates using a fixed-frequency PWM controller. The integrated SenseFET provides accurate current sensing, enabling precise control of the output power. It features a built-in soft-start function, which minimizes stress on components during startup. The advanced burst-mode operation minimizes power consumption under light load conditions. This device is available in a TO-220F package.