The TOP243YN is an integrated circuit (IC) component designed and manufactured by Power Integrations. It is part of the TOPSwitch family of energy-efficient, low-cost ICs, which are widely used in a variety of applications such as power supplies, LED drivers, and other consumer electronics.
Key features of the TOP243YN include:
1. Primary-Side Control: The TOP243YN utilizes primary-side control, which eliminates the need for an opto-coupler and secondary-side control circuitry. This reduces component count, improves system reliability, and simplifies circuit design.
2. Universal Input Voltage: It is designed to operate with a wide input voltage range, typically from 85VAC to 265VAC, making it suitable for global applications without the need for external switches or circuitry.
3. Integrated MOSFET: The TOP243YN integrates a 700V MOSFET, which eliminates the requirement for an external high-voltage switching transistor. This simplifies the design, reduces costs, and improves efficiency.
4. Energy Efficient: The IC utilizes a patented EcoSmart technology that enables high efficiency and low standby power. This helps meet various energy-saving standards and reduces power consumption, making it suitable for energy-conscious applications.
5. Output Power Range: It can handle an output power range of up to 45W, making it suitable for a wide range of low to medium-power applications
