The Power Integrations LNK6768V is a highly integrated power supply IC designed for use in a variety of applications, particularly in low-power switch-mode power supplies (SMPS). This device is part of the LNK series, which is known for its efficiency, compact design, and ease of use, making it suitable for applications such as LED drivers, adapters, and other power supply circuits.
## Key Features
1. Integrated Design: The LNK6768V combines a high-voltage power MOSFET with a controller in a single package. This integration reduces the number of external components required, simplifying the design process and minimizing the overall footprint of the power supply.
2. High Efficiency: The LNK6768V is designed to operate with high efficiency, typically exceeding 80%. This is crucial for reducing energy consumption and heat generation, which is particularly important in applications where thermal management is a concern.
3. Wide Input Voltage Range: The device can operate over a wide input voltage range, typically from 85V to 265V AC. This makes it suitable for global applications, allowing it to be used in various regions without modification.
4. Output Power Capability: The LNK6768V is capable of delivering up to 20W of output power in a non-isolated configuration. This makes it ideal for low to medium power applications, including consumer electronics and industrial devices.
5. Built-in Protection Features: The IC includes several built-in protection features, such as:
- Over-Voltage Protection (OVP): Prevents damage to the load in case of voltage spikes.
- Over-Current Protection (OCP): Protects the circuit from excessive current, ensuring safe operation.
- Thermal Shutdown: Automatically shuts down the device in case of overheating, protecting both the IC and the connected load.
6. Low Standby Power Consumption: The LNK6768V is designed to minimize standby power consumption, typically less than 30 mW at 230V AC. This feature is essential for compliance with energy efficiency standards such as Energy Star and the European Union%27s ErP directive.
7. Compact Package: The LNK6768V is available in a compact DIP-8 package, which allows for easy integration into various circuit designs and helps save board space.
## Specifications
- Part Number: LNK6768V
- Type: Integrated Power Supply IC
- Input Voltage Range: 85V to 265V AC
- Output Power: Up to 20W
- Switching Frequency: 132 kHz
- Operating Temperature Range: -40°C to +125°C
- Package Type: DIP-8
- Efficiency: Typically > 80% (depending on the application and design)
- Protection Features:
- Over-Voltage Protection (OVP)
- Over-Current Protection (OCP)
- Thermal Shutdown
- Standby Power Consumption: < 30 mW at 230V AC
## Applications
The LNK6768V is suitable for a variety of applications, including:
- LED lighting drivers
- Wall adapters and chargers
- Consumer electronics power supplies
- Industrial control systems
- Home appliances
- Battery chargers
## Conclusion
The Power Integrations LNK6768V is a versatile and efficient power supply IC that offers a range of features and specifications suitable for low to medium power applications. Its integrated design, high efficiency, and built-in protection mechanisms make it an excellent choice for designers looking to create reliable and compact power supply solutions. Whether for LED drivers, consumer electronics, or industrial applications, the LNK6768V provides a robust solution for modern power supply needs.
