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Power Integrations

Power Integrations LinkSwitch-3 | Power Integrations

LinkSwitch-3 series from Power Integrations

LinkSwitch-3 Datasheet

Power Integrations LinkSwitch-3 Series Overview

LinkSwitch-3 integrated power conversion IC for AC-DC and DC-DC applications.

The LinkSwitch-3 from Power Integrations is a LinkSwitch-3 integrated power conversion IC for AC-DC and DC-DC applications. This series includes 24 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the LinkSwitch-3 integrates key power components to minimize external component count, reduce board space, and simplify the design process. these devices help engineers meet increasingly stringent energy-efficiency standards while reducing time to market.

Octatronics stocks LinkSwitch-3 variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.

Key Features

  • Highest IntegrationPrimary, secondary, and feedback circuits integrated on a single IC, reducing external component count by up to 50%.
  • Scalable Output PowerSupports output power across a wide range with excellent load and line regulation.
  • Comprehensive Protection SuiteIntegrated over-voltage, over-current, over-temperature, and short-circuit protection eliminates external protection circuitry.
  • Ultra-Low No-Load PowerAdvanced burst-mode operation achieves <30mW no-load power consumption, meeting the strictest standby regulations.
  • Simplified Design ProcessReference designs, PI Expert design software, and application notes accelerate time-to-production.

Target Applications

  • Consumer chargers and adapters
  • Industrial power supplies
  • LED lighting drivers
  • Home appliances
  • IoT and smart home devices

Compare LinkSwitch-3 Variants

Side-by-side comparison of 10 product variants from Power Integrations

ParameterLNK6406D-TLLNK364PNLNK364GN-TLLNK364DN-TLLNK364DG-TLLNK363DN-TLLNK353GN-TLLNK306PNLNK306GN-TLLNK306DN-TL
Package / Case8-SOIC (0.154", 3.90mm Width), 7 Leads---------
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LinkSwitch-3 Series Applications
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Automotive ElectronicsECU components, ADAS sensors, power management ICs, and automotive-grade semiconductors for vehicle systems.
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Vehicle NetworkingCAN, LIN, FlexRay, and Automotive Ethernet transceivers and controllers for in-vehicle communication.
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Telematics & Connected VehicleCellular modems, GNSS modules, and V2X communication ICs for connected vehicle and telematics platforms.
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Energy & PowerPower semiconductors, battery management ICs, solar inverter components, and EV charging modules.

Base Numbers

Base NumberDescriptionVariantsStatusAction
LNK6406DLNK6406D variants from Power Integrations2 MPNsActiveView Details

Technical Specifications

Compare key LinkSwitch-3 specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
See datasheet
Input Voltage Range
85–265 VAC (universal input)
Peak Efficiency
>90%
No-Load Power
<30 mW

Safety & Compliance

Safety Certifications
UL, IEC 62368-1
EMI Standard
EN 55032 Class B
Energy Star
CoC Tier 2 / DoE Level VI compliant

Frequently Asked Questions

Common technical questions about the LinkSwitch-3 series.

The LinkSwitch-3 is a Power Integrations LinkSwitch-3 integrated power conversion IC for AC-DC and DC-DC applications. The series includes 24 variants optimized for different application requirements.
The LinkSwitch-3 series currently includes 24 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
Octatronics is an authorized distributor of Power Integrations products including the LinkSwitch-3 series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the LinkSwitch-3 series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.