TOP254PN (In Stock:3386)

The Power Integrations TOP254PN is a high-efficiency, synchronous, current-mode, primary-side regulated flyback controller designed for use in a wide range of off-line power supply applications. It is available in a compact PSON-8 package, making it suitable for space-constrained designs. Features of the TOP254PN include: 1. High efficiency: The TOP254PN offers high efficiency of up to 93%, which can help reduce power consumption and heat generation in the system. 2. Synchronous rectification: The device uses synchronous rectification on the secondary side, which helps to reduce conduction losses and improve efficiency. 3. Current-mode control: The TOP254PN uses current-mode control, which provides fast transient response and excellent line and load regulation. 4. Primary-side regulation: The device features primary-side regulation, which simplifies the design and eliminates the need for an optocoupler or secondary feedback circuit. 5. Wide input voltage range: The TOP254PN can operate from a wide input voltage range of 90Vac to 264Vac, making it suitable for use in different countries and regions. 6. Low standby power: The device offers low standby power consumption of less than 75mW, which can help meet energy efficiency regulations. 7. Protection features: The TOP254PN includes various protection features such as over-current protection, over-voltage protection, and over-temperature protection, which can help ensure the reliability and safety of the system. Applications of the TOP254PN include: 1. AC-DC power adapters: The TOP254PN can be used in off-line power adapters for a wide range of electronic devices, such as smartphones, tablets, and laptops. 2. LED lighting: The device can be used in LED lighting applications, such as streetlights, downlights, and floodlights, to provide efficient and reliable power conversion. 3. Battery chargers: The TOP254PN can be used in battery chargers for a variety of battery chemistries, including lithium-ion, nickel-cadmium, and lead-acid batteries. 4. Medical equipment: The device can be used in medical equipment that requires efficient and reliable power conversion, such as medical monitors, diagnostic equipment, and surgical instruments. Overall, the Power Integrations TOP254PN is a versatile and efficient flyback controller that can be used in a wide range of off-line power supply applications. Its high efficiency, synchronous rectification, and primary-side regulation make it an excellent choice for designers looking to improve the performance and reliability of their power supply systems.