LNK603DG

LNK603DG - LinkSwitch-II Offline Switcher IC

The LNK603DG from Power Integrations is a high-performance offline switcher IC in the LinkSwitch-II family, designed for compact, cost-effective AC-DC power conversion applications up to 3.3W. This integrated solution combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry in a single SO-8C surface mount package.

Key Features & Benefits

• Integrated Design: Reduces component count and simplifies PCB layout with built-in MOSFET and control circuitry
• Comprehensive Protection: Current limiting, open loop detection, over-temperature shutdown, and short circuit protection ensure reliable operation
• High Efficiency: Flyback topology with up to 85kHz switching frequency optimizes power conversion
• Wide Operating Range: -40°C to 150°C junction temperature for demanding industrial applications
• Compact Footprint: 8-SOIC surface mount package (7 leads) saves board space
• RoHS Compliant: Meets environmental standards for global markets

Typical Applications

• Low-power AC-DC adapters and chargers
• Auxiliary power supplies
• Standby power for consumer electronics
• Industrial control and instrumentation
• Smart home and IoT devices

Why Choose LNK603DG?

The LNK603DG offers exceptional value for engineers seeking a reliable, cost-effective solution for low-power AC-DC conversion. Its integrated protection features reduce external component requirements while ensuring robust performance across a wide temperature range. The flyback topology provides excellent efficiency and isolation, making it ideal for safety-critical applications.

Quality Assurance: As an authorized distributor, we provide genuine Power Integrations components with full traceability and manufacturer warranty support. All parts are sourced directly from the manufacturer or authorized channels, ensuring authenticity and reliability for your critical applications.

• LNK603DG.pdf