Power Integrations LinkSwitch™ Series
The Power Integrations LinkSwitch™ family of ICs provides highly integrated, cost-effective, and energy-efficient solutions for low-power AC-DC converter applications. These devices combine a high-voltage power MOSFET with a power supply controller in a single package, simplifying design and reducing component count.
LinkSwitch ICs are renowned for their robust performance, excellent light-load efficiency, and comprehensive protection features, making them ideal for applications such as standby power supplies, auxiliary power supplies, smart home devices, and small appliance power adapters. With various series like LinkSwitch-TN, LinkSwitch-HP, and LinkSwitch-II, Power Integrations offers tailored solutions for different power levels and feature requirements. LiTong Group, as an authorized PI distributor, supports customers in selecting and implementing the optimal LinkSwitch solution for their designs.
The LinkSwitch series is particularly valued for its ease of use, enabling rapid design cycles and reducing overall system cost. Its integrated features minimize external components, leading to compact and reliable power supply designs that meet stringent energy efficiency standards globally.
LiTong FAE Review: "For cost-sensitive and energy-efficient low-power applications, the LinkSwitch series is our go-to recommendation. Its simplicity in design, coupled with robust performance and excellent light-load efficiency, makes it a favorite among engineers. We've seen it successfully deployed in countless auxiliary power supplies and smart device chargers, consistently delivering reliable and compliant power."
LinkSwitch™ Series Product Model Table
| Model | Series | Power Range (W) | Voltage (V) | Package | Key Features | Datasheet |
|---|---|---|---|---|---|---|
| LNK304PN | LinkSwitch-TN | Up to 12W | 85-265VAC | DIP-8C | Non-isolated Buck, Low Cost, High Efficiency | Download |
| LNK364PN | LinkSwitch-TN2 | Up to 12W | 85-265VAC | DIP-8C | Enhanced LinkSwitch-TN, Improved Performance | Download |
| LNK623DG | LinkSwitch-HP | Up to 28W | 85-265VAC | SO-8C | High Performance, Accurate CV/CC, EcoSmart | Download |
| LNK6777V | LinkSwitch-II | Up to 10W | 85-265VAC | eSOP-12B | Accurate CV/CC, Integrated Cable Drop Compensation | Download |
Alternative & Matching Part Numbers
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LinkSwitch™ Series FAQs
Q: What are the typical applications for LinkSwitch-TN?
A: LinkSwitch-TN is commonly used in non-isolated buck converter applications for appliances, utility meters, and other low-power systems where cost-effectiveness and energy efficiency are key.
Q: Does LinkSwitch-HP support constant voltage and constant current operation?
A: Yes, the LinkSwitch-HP series is designed to provide accurate constant voltage (CV) and constant current (CC) regulation, making it suitable for a wide range of adapter and charger applications.
Q: How does LinkSwitch contribute to energy efficiency?
A: LinkSwitch devices incorporate Power Integrations' EcoSmart™ technology, which minimizes energy consumption in no-load and standby conditions, helping designs meet global energy efficiency standards.