TOP249YN TOPSwitch-GX AC/DC Converter IC – High-Power Integrated Off-Line Switcher

Description

The TOP249YN is a high-performance, integrated off-line switcher from the TOPSwitch-GX family by Power Integrations. This device is specifically engineered to handle high-power applications by combining a high-voltage power MOSFET, PWM control, fault protection, and other essential control circuitry onto a single CMOS chip. By integrating these complex functions, the TOP249YN simplifies your power supply design, reduces the number of external components, and improves overall system efficiency.

Equipped with “EcoSmart” technology, the TOP249YN is ideal for designers who need to create powerful, reliable, and energy-efficient power supplies that meet demanding industry standards while maintaining design flexibility and cost-effectiveness.

Key Features

• Highly Integrated: Combines a power MOSFET and controller in one chip, significantly saving board space and reducing design complexity.
• EcoSmart Efficiency: Features extremely low power consumption in standby mode, perfect for energy-conscious power supply designs.
• Advanced Protection: Includes comprehensive safety features such as thermal shutdown, over-voltage/under-voltage protection, and short-circuit recovery to ensure system longevity.
• Reduced EMI: Built-in frequency jittering technology lowers electrical noise, making it easier to meet EMI regulatory requirements.
• Flexible Control: Supports features like soft-start, programmable current limits, and frequency selection to simplify complex power management tasks.

Application

• High-Power Adapters: Perfect for building robust power supplies for printers, monitors, and industrial hardware.
• Energy-Efficient Power Units: Ideal for designs that require high power output while minimizing standby energy waste.
• Embedded Systems: Provides a stable, controlled power source for complex electronic control boards.
• Battery Charging Systems: Capable of handling the requirements of high-power battery chargers and power banks.
• DIY Power Electronics: A top-tier choice for engineers and hobbyists creating custom, high-efficiency AC-to-DC conversion circuits.

Package Includes

• 1 x TOP249YN TOPSwitch-GX AC/DC Converter IC

Technical Specifications

Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.