INN3276C-H203-TL

AC DC Converters, Offline Switchers Overview

The INN3276C-H203-TL is an offline switcher from the InnoSwitch3-CP family, utilizing PowiGaN technology. It integrates a 750V GaN switch and secondary-side synchronous rectification into a single InSOP-24D package. The device operates as a constant voltage/constant current QR flyback converter with a switching frequency of 100 kHz. It supports output power levels of 27 W and includes built-in fault protection for overcurrent, overtemperature, and overvoltage conditions.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 750V GaN primary switch with secondary-side synchronous rectification control
• Provides closed-loop regulation via FluxLink-Chip digital feedback interface
• Includes comprehensive protection mechanisms against short circuits and thermal overload

AC DC Converters, Offline Switchers Applications

• Adapters for mobile devices and consumer electronics
• Chargers for tablets and portable computers
• Low-power industrial power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H203 to confirm the fixed output voltage configuration, as variations exist within the series. Confirm the InSOP-24D package type and moisture sensitivity level requirements during storage and handling. Ensure compatibility with the intended PCB footprint and thermal management strategy for the integrated GaN solution.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density in compact form factors. The integrated secondary-side control eliminates the need for optocouplers and auxiliary windings. Verify that the target application falls within the 27 W power range and utilizes the specified 100 kHz switching frequency for optimal efficiency.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP series, which combines primary-side control concepts with secondary-side sensing for improved accuracy. The PowiGaN technology enables higher switching frequencies and reduced magnetic component sizes compared to traditional silicon-based solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Direct replacements include other variants within the InnoSwitch3-CP family such as INN3276C-H201-TL or INN3276C-H210-TL, provided the output voltage specifications match the design requirements.