The FSD106LG is a Fairchild/ON Semiconductor integrated Pulse Width Modulation (PWM) controller and SenseFET, specifically designed for offline flyback converters. It provides a cost-effective and energy-efficient solution for power supplies in a variety of applications. This device integrates a high-voltage power MOSFET with a current mode PWM controller, enabling compact and efficient power supply designs.

Applications:

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

Features:

• Integrated PWM controller and SenseFET
• Low startup current
• Built-in soft-start function
• Pulse-by-pulse current limiting
• Over-voltage protection (OVP)
• Over-temperature protection (OTP)
• Under-voltage lockout (UVLO)

Benefits:

• Reduces component count and board space.
• Enhances energy efficiency and reduces power consumption.
• Provides reliable protection against fault conditions.
• Simplifies power supply design.
• Offers a cost-effective solution.

Additional Details:

The FSD106LG operates in current mode PWM control, ensuring stable and efficient operation over a wide range of input voltages and load conditions. The integrated protection features enhance the reliability of the power supply. The device is available in a DIP-8 package, which facilitates easy assembly and integration into existing designs. The integrated soft-start function minimizes stress on the power components during startup, improving overall system reliability. The device is also designed to meet various safety and regulatory standards, making it suitable for global applications.

Topology: Flyback

Output Power: Up to 6W

Operating Frequency: 100 kHz

Protection Features: OVP, OTP, UVLO, Overload Protection

Package: DIP-8