The FSGM300 is a highly integrated offline power switch manufactured by Fairchild/ON Semiconductor, designed for compact and efficient power supplies. This device integrates a PWM controller and a MOSFET, reducing external components and simplifying the design process. It provides a cost-effective solution for applications requiring low standby power and high reliability.

Applications:

• Power adapters for mobile devices (e.g., smartphones, tablets)
• Auxiliary power supplies in appliances
• LED lighting power supplies
• Standby power supplies for consumer electronics
• Small offline power converters

Features:

• Integrated MOSFET: Reduces external component count and simplifies PCB layout.
• Advanced Burst-Mode Operation: Minimizes standby power consumption.
• Over Voltage Protection (OVP): Protects the system from overvoltage conditions.
• Over Current Protection (OCP): Limits the current to prevent damage from overload conditions.
• Over Temperature Protection (OTP): Shuts down the device in case of overheating.
• Under Voltage Lockout (UVLO): Ensures stable operation during startup.
• Frequency Hopping: Reduces EMI emissions.

Benefits:

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

Additional Details:

The FSGM300 operates using a fixed-frequency PWM controller. The integrated MOSFET provides efficient power switching. The advanced burst-mode operation minimizes power consumption under light load conditions. The frequency hopping feature reduces EMI emissions, simplifying compliance with regulatory standards. This device is available in a DIP-8 package.