INN4574F-H342-TL

AC DC Converters, Offline Switchers Overview

The INN4574F-H342-TL is a digitally controllable off-line CV/CC flyback switcher IC from the InnoSwitch4-Pro series. It integrates 750 V PowiGaN technology, active clamp drive, and synchronous rectification. Designed for AC/DC conversion with an input range of 85-265 VAC, it supports output power up to 85 W. The device utilizes I²C control to significantly reduce adapter size through high switching frequencies and high integration.

AC DC Converters, Offline Switchers Feature Summary

• Integrates 750 V PowiGaN technology with active clamp drive and synchronous rectification
• Digitally controllable via I²C interface for precise regulation
• Highly integrated design reduces component count and PCB area
• Supports constant voltage and constant current flyback applications

AC DC Converters, Offline Switchers Applications

• Compact AC/DC power adapters
• Chargers for consumer electronics
• Industrial control power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H342-TL against official Power Integrations documentation to confirm package type and reel specifications. Ensure compatibility with I²C digital control requirements in the target design. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and digital control capabilities. The InnoSwitch4-Pro series is suitable where reduced passive component size is critical. Evaluate thermal management needs associated with PowiGaN integration. Confirm that the system architecture supports the required I²C communication protocol for optimal performance.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-Pro family, which combines primary-side regulation with secondary-side synchronous rectification. The series leverages PowiGaN technology to achieve high efficiency and power density. It represents an evolution in offline converter design by integrating advanced digital control features into a single IC package.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the InnoSwitch4-Pro lineup with similar power ratings. Verify pinout compatibility and electrical parameters before substitution. Consult official cross-reference guides for validated alternatives.