What is LNK564PN? LNK564PN Datasheet PDF

The LNK564PN is a high-efficiency integrated power switch from Power Integrations, part of the LinkSwitch-TN family. It is designed for AC-DC power conversion applications, providing a compact and efficient solution for a wide range of low to medium-power power supplies, including chargers, adapters, and auxiliary power circuits.

LNK564PN Datasheet PDF

Key Features: 

• Integrated Power Switch: Combines a high-voltage MOSFET, control circuitry, and feedback regulation into a single package, significantly simplifying the design process and reducing component count.
• Wide Input Voltage Range: Operates over a universal input voltage range of 90V to 265V AC, making it suitable for use in global power supply systems.
• High Efficiency: Offers up to 85% efficiency, reducing energy loss and minimizing heat generation, making it ideal for energy-efficient power conversion in compact designs.
• Low Standby Power: Designed with low standby power consumption, which is essential for applications where minimizing idle power use is important, such as in energy-efficient consumer electronics and chargers.
• Built-in Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, ensuring the safety and reliability of the power supply in varying operating conditions.
• Compact Package: Available in a 5-pin TO-220 package, suitable for designs where space is limited while still needing high power efficiency. 

Applications:

• AC-DC Adapters: Ideal for use in power adapters for consumer electronics like mobile phone chargers, LED drivers, and low-power home appliances.
• Battery Chargers: Suitable for battery charging circuits in small electronics, providing reliable and efficient power conversion.
• LED Drivers: Can be used in driving low-power LED lighting systems, offering a compact solution for converting AC power to a stable DC output.
• Auxiliary Power Supplies: Used in auxiliary power supply circuits for industrial equipment, telecom systems, and appliances.  

The LNK564PN offers an efficient, reliable solution for AC-DC power conversion, featuring integrated protections, high efficiency, and compact design. It is ideal for energy-efficient power supplies in a range of consumer electronics, industrial systems, and other low-power applications.  

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