TOP242PN

The TOP242PN is a highly integrated offline switcher IC designed by Power Integrations. It incorporates a power MOSFET, high-voltage startup, and current sense circuitry into a single chip, making it ideal for low power AC/DC power supplies.

Key Features:

• High Integration: Integrates a power MOSFET, high-voltage startup, and current sense circuitry, reducing external component count and simplifying design.
• Primary-Side Regulation (PSR): Implements primary-side regulation for output voltage control, eliminating the need for an optocoupler and secondary-side feedback circuitry.
• Energy Efficient: Utilizes EcoSmart™ technology to provide high energy efficiency and meet energy conservation standards.
• Accurate Regulation: Offers accurate output voltage and current regulation over a wide range of load conditions and input voltages.
• Frequency Jittering: Utilizes frequency jittering to reduce EMI (Electromagnetic Interference) emissions, ensuring compliance with EMC (Electromagnetic Compatibility) regulations.
• Low Standby Power Consumption: Provides low standby power consumption, enhancing energy efficiency in standby or light load conditions.
• Auto-Restart Protection: Features auto-restart protection in the event of a fault condition, improving system reliability and safety.
• Wide Input Voltage Range: Supports a wide input voltage range, making it suitable for universal input voltage applications.
• Built-In Protection Features: Incorporates built-in protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, enhancing system reliability and ruggedness.
• Green Functions: Offers green functions such as frequency reduction at light load and cycle-by-cycle peak current limit, further improving energy efficiency and reducing standby power consumption.

Applications:

• AC/DC Power Supplies: Flyback converters for low power applications such as adapters, chargers, LED drivers, and auxiliary power supplies.
• Industrial Power Supplies: Power supplies for industrial automation, instrumentation, and control systems.
• Consumer Electronics: Power supplies for televisions, set-top boxes, audio equipment, and white goods.
• LED Lighting: LED drivers for indoor and outdoor lighting applications.
• Networking Equipment: Power supplies for routers, switches, and network appliances.
• Smart Meters: Power supplies for smart energy meters and utility metering systems.
• HVAC Systems: Power supplies for heating, ventilation, and air conditioning (HVAC) systems.