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Power Integrations

Power Integrations InnoSwitch4-Pro | Power Integrations

InnoSwitch4-Pro series from Power Integrations

Power Integrations InnoSwitch4-Pro Series Overview

InnoSwitch4-Pro integrated power conversion IC for AC-DC and DC-DC applications.

The InnoSwitch4-Pro from Power Integrations is a InnoSwitch4-Pro integrated power conversion IC for AC-DC and DC-DC applications. This series includes 17 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the InnoSwitch4-Pro 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 InnoSwitch4-Pro 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

Technical Specifications

Compare key InnoSwitch4-Pro 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 InnoSwitch4-Pro series.

The InnoSwitch4-Pro is a Power Integrations InnoSwitch4-Pro integrated power conversion IC for AC-DC and DC-DC applications. The series includes 17 variants optimized for different application requirements.
The InnoSwitch4-Pro series currently includes 17 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 InnoSwitch4-Pro 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 InnoSwitch4-Pro series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.