INN3279C-H218-TL

AC DC Converters, Offline Switchers Overview

The INN3279C-H218-TL is an AC/DC converter from the InnoSwitch3-CP series by Power Integrations. It integrates a quasi-resonant flyback controller, high-voltage switch, and secondary-side synchronous rectification driver in an InSOP-24D package. The device supports 85-265 VAC input and delivers up to 85 W output power. Key electrical parameters include a 750V breakdown voltage, 65kHz switching frequency, and operation within a -40°C to +105°C temperature range.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation with secondary-side sensing for accurate constant voltage and constant current control without optocouplers.
• Combines a high-voltage PowiGaN switch with a synchronous rectification driver to maximize efficiency across load ranges.
• Includes comprehensive protection features such as overvoltage, overload, short-circuit, and overtemperature protection.

AC DC Converters, Offline Switchers Applications

• Adapters and chargers for consumer electronics
• Industrial power supplies requiring isolated outputs
• Battery charging systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H218 against the official datasheet to confirm output voltage and current ratings. Ensure compatibility with the InSOP-24D footprint during PCB design. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and efficiency in offline applications. The integrated secondary-side rectification reduces component count and thermal stress. Verify that the required output specifications align with the H218 variant's fixed configuration within the InnoSwitch3-CP family.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP family, which combines primary-side control with secondary-side sensing. The series utilizes PowiGaN technology to achieve high performance in a compact form factor. It is designed for universal input AC/DC conversion applications where size and efficiency are critical constraints.

AC DC Converters, Offline Switchers Replacement Considerations

Check for updated revisions within the INN3279C series. Verify pinout compatibility if substituting with other InSOP-24D devices. Consult the manufacturer's substitution guide for equivalent parts with similar power ratings and packaging.