The TOP247YN is an integrated high-efficiency power switch from Power Integrations, part of the TOPSwitch-GX family. It is designed for AC-DC power conversion in applications requiring efficient and compact power supplies. The device integrates a high-voltage MOSFET with a controller, streamlining the design process and reducing component count for power supply circuits.

TOP247YN Datasheet PDF 

Key Features:

• Integrated Power Switch: Combines a high-voltage MOSFET with the control circuitry in a single package, simplifying the design of power supply systems and reducing the need for external components.
• Wide Input Voltage Range: Supports a universal input range of 90V to 265V AC, making it compatible with worldwide AC power sources.
• High Efficiency: Delivers up to 88% efficiency, reducing energy loss and minimizing heat generation, which is critical for energy-efficient designs.
• Low Standby Power: Designed for low standby power consumption, contributing to overall energy savings in applications that require minimal energy usage during idle or standby operation.
• Protection Features: Includes integrated protection mechanisms such as over-voltage protection (OVP), over-temperature protection (OTP), and short-circuit protection (SCP) to safeguard the power supply and connected devices.
• Compact Package: Available in a TO-220 package, making it suitable for space-constrained applications that need a high-power switch in a compact form factor.

Applications:

• AC-DC Power Adapters: Commonly used in power adapters for consumer electronics like mobile phones, laptops, and small appliances.
• Industrial Power Supplies: Ideal for power supplies in industrial systems, including automation equipment, sensors, and control systems.
• LED Drivers: Used for driving LED lighting systems, efficiently converting AC to a stable DC voltage for LEDs.
• Battery Chargers: Suitable for use in chargers for rechargeable batteries in a variety of consumer electronics and industrial devices.

The TOP247YN provides an efficient, cost-effective solution for AC-DC power conversion, offering integrated protection, high efficiency, and compact design. It is ideal for applications such as power adapters, industrial systems, LED drivers, and battery chargers, ensuring reliable operation with minimal energy waste.  

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