Description

⭐ LNK6666E – Energy Efficient High-Power Off-Line Switcher with Accurate PSR | Original & Reliable IC

The LNK6666E is a high-performance, energy-efficient Off-Line Switcher IC designed for AC-DC power supplies. It provides Accurate Primary-Side Regulation (PSR), eliminating the need for an optocoupler and reducing design complexity.
This switcher IC is widely used in LED drivers, chargers, power adapters, and SMPS applications. With high power efficiency, reduced heat generation, and excellent output stability, it is an ideal choice for electronics technicians, manufacturers, and repair engineers.

✨ Key Features & Benefits

⚡ High Efficiency & Low Power Consumption

• Built with high-efficiency MOSFET for low energy loss

• Reduced heat generation enhances product lifespan

• Ideal for compact and low-cost power supply designs

🎯 Accurate Primary-Side Regulation (PSR)

• No need for secondary-side feedback or optocoupler

• Simplifies design and reduces component count

• Delivers stable output voltage and load regulation

🔒 Built-In Protection

• Over-temperature protection (OTP)

• Over-voltage protection (OVP)

• Under-voltage lockout (UVLO)

• Short-circuit and overload protection

🛠 Easy to Use

• Minimal external components required

• Perfect for both new product design and SMPS repairing

• Helps achieve cost-effective, reliable power solutions

🌍 Eco-Friendly Design

• Meets global energy-efficiency standards

• Helps reduce standby power consumption

📊 Specifications Table