Power Integrations

LNK304DG

LNK304DG Description

The LNK304DG from Power Integrations is a highly integrated offline switcher IC designed for efficient AC/DC power conversion in compact, low-power applications. Housed in an 8-pin SO package, it combines a 700V breakdown voltage MOSFET, PWM controller, and protection circuits into a single chip. With a 66kHz switching frequency and 69% duty cycle, it optimizes power delivery while minimizing component count. Compliant with RoHS and REACH Unaffected, it is suitable for environmentally conscious designs. Its surface-mount design and Moisture Sensitivity Level (MSL) 1 rating ensure reliability in automated assembly processes.

LNK304DG Features

• Integrated 700V MOSFET: Eliminates the need for an external switch, reducing BOM cost and PCB space.
• Advanced Protection: Includes current limiting, open-loop, over-temperature, and short-circuit protection for robust operation.
• High Efficiency: Optimized 66kHz switching ensures minimal power loss, ideal for energy-sensitive applications.
• Wide Input Range: Supports universal input voltage (85VAC–265VAC) for global compatibility.
• Compact Design: 8SO package with surface-mount capability suits space-constrained designs.

LNK304DG Applications

• Low-Power Adapters: Ideal for chargers (<3W) for IoT devices, smart home sensors, and consumer electronics.
• Auxiliary Power Supplies: Used in appliances, industrial controls, and lighting systems requiring reliable standby power.
• LED Drivers: Efficiently powers non-dimmable LED modules with built-in fault protection.
• Battery-Powered Systems: Enhances energy efficiency in portable devices with minimal external components.

Conclusion of LNK304DG

The LNK304DG stands out for its high integration, robust protection features, and energy efficiency, making it a top choice for cost-sensitive, compact power supplies. Its ability to simplify designs while meeting global compliance standards (RoHS, REACH) ensures broad applicability across consumer, industrial, and IoT markets. Engineers benefit from reduced development time and improved reliability, solidifying its position as a versatile offline switcher IC.