LNK419EG Power Integrations LED Driver Off Line Switcher IC

LNK419EG Power Integrations LED Driver Off Line Switcher IC

The LNK419EG is a highly integrated AC-DC off-line switcher IC from Power Integrations’ LinkSwitch-TN family, designed specifically for efficient low-power LED driver applications. It combines a high-voltage power MOSFET, PWM controller, oscillator, and built-in protection features into a single device, minimizing external components and simplifying the design of compact LED power supplies.

The LNK419EG is ideal for low-power LED lighting, offering high efficiency, ultra-low standby power consumption, and long-term reliability. It supports constant current LED driver designs for small to medium luminaires, bulbs, and indicator lighting.

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Applications

• AC-DC LED drivers for residential and commercial lighting
• Low-power LED bulbs and luminaires
• Decorative and architectural lighting
• Standby and auxiliary LED power supplies
• Consumer electronics with integrated LED indicators

Features

• Type: LED driver AC-DC off-line switcher IC with integrated MOSFET
• Manufacturer: Power Integrations
• Family: LinkSwitch-TN
• Integrated high-voltage power MOSFET
• Wide AC input range: 85–265V AC (with proper design)
• High efficiency and ultra-low standby power consumption
• Built-in current limiting, thermal shutdown, and over-voltage protection
• Auto-restart fault protection
• Frequency jittering for reduced EMI
• Requires minimal external components
• Package: EG (SMD, eSIP-7 / small footprint)
• Long-term reliability and compact design

LNK419EG-IC datasheet