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Power Integrations

Power Integrations InnoSwitch3-TN | Power Integrations

InnoSwitch3-TN series from Power Integrations

Power Integrations InnoSwitch3-TN Series Overview

Compact integrated flyback switcher IC for low-power constant-voltage/constant-current supplies.

The InnoSwitch3-TN from Power Integrations is a Compact integrated flyback switcher IC for low-power constant-voltage/constant-current supplies. This series includes 3 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the InnoSwitch3-TN 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 InnoSwitch3-TN 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%.
  • Up to 22W Output PowerSupports output power up to Up to 22W 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

  • Smart home devices
  • IoT gateways
  • White goods
  • Lighting drivers

Technical Specifications

Compare key InnoSwitch3-TN specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
Up to 22W
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 InnoSwitch3-TN series.

The InnoSwitch3-TN is a Power Integrations Compact integrated flyback switcher IC for low-power constant-voltage/constant-current supplies. The series includes 3 variants optimized for different application requirements.
The InnoSwitch3-TN series currently includes 3 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The InnoSwitch3-TN series is used in Smart home devices, IoT gateways, White goods, and Lighting drivers. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the InnoSwitch3-TN 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 InnoSwitch3-TN series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.