Power Integrations

LNK304DN

LNK304DN Description

The LNK304DN from Power Integrations is a highly efficient, offline switcher IC designed for low-power AC/DC converter applications. Housed in an 8-pin SOIC package, it integrates a 700V breakdown voltage MOSFET, enabling robust performance in high-voltage environments. With a 66kHz switching frequency and 69% duty cycle, it optimizes power conversion efficiency while minimizing component count. Compliant with RoHS and REACH standards, it is suitable for environmentally conscious designs. The device operates in surface-mount configurations, making it ideal for compact PCB layouts.

LNK304DN Features

• Integrated 700V MOSFET: Eliminates the need for an external switch, reducing BOM cost and complexity.
• Comprehensive Protection: Features current limiting, open-loop detection, over-temperature shutdown, and short-circuit protection for enhanced reliability.
• High Efficiency: Operates at 66kHz with a 69% duty cycle, ensuring optimal power delivery in low-power applications.
• Compact & Robust: 8SOIC package with MSL 1 (Unlimited) moisture sensitivity, suitable for automated assembly.
• Regulatory Compliance: RoHS-compliant and REACH-unaffected, meeting global environmental standards.

LNK304DN Applications

• Low-Power Adapters: Ideal for USB chargers, IoT power supplies, and standby power modules.
• LED Drivers: Efficiently powers LED lighting systems with built-in fault protection.
• Industrial Controls: Reliable operation in PLC auxiliaries, sensors, and smart meters.
• Consumer Electronics: Used in set-top boxes, appliances, and other compact power solutions.

Conclusion of LNK304DN

The LNK304DN stands out for its high integration, robust protection features, and energy efficiency, making it a top choice for cost-sensitive, space-constrained designs. Its 700V MOSFET and fault resilience ensure long-term reliability in demanding applications. Whether for consumer, industrial, or lighting systems, this IC delivers performance while simplifying power supply design.