INN3279C-H217-TL

AC DC Converters, Offline Switchers Overview

The INN3279C-H217-TL is an AC/DC converter from the InnoSwitch3-CP series by Power Integrations. It utilizes PowiGaN technology with a built-in 750V GaN switch and operates at a switching frequency of 65kHz. The device supports 85-265 VAC input and delivers up to 75W output power. It features a flyback topology with secondary side synchronous rectification in an InSOP-24D package. Operating temperature ranges from -40°C to 105°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side controller, high-voltage GaN switch, secondary-side sensing, and synchronous rectification driver into a single IC.
• Employs FluxLink™ capacitive feedback for isolated regulation without optocouplers, ensuring HIPOT isolation compliance.
• Includes comprehensive protection mechanisms such as overvoltage, overcurrent, and overtemperature shutdown with auto-restart or latch modes.

AC DC Converters, Offline Switchers Applications

• USB Type-C PD chargers
• Mobile phone fast chargers
• Tablet and laptop adapters
• Consumer electronics power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H217 against official datasheets to confirm pinout and electrical characteristics match design requirements. Confirm RoHS3 compliance status and moisture sensitivity level (MSL 3) handling procedures during assembly. Ensure supplier documentation matches the manufacturer's part number exactly to avoid functional mismatches.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and efficiency in compact enclosures without heatsinks. It is suitable for applications demanding strict EMI performance and simplified bill of materials due to high integration. Consider the InSOP-24D package constraints for thermal management and layout space.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP family, which combines PowiGaN technology with advanced control logic. It represents a shift from traditional silicon-based controllers to integrated Gallium Nitride solutions, offering superior performance in terms of size reduction and energy efficiency for offline power conversion tasks.

AC DC Converters, Offline Switchers Replacement Considerations

INN3279C-H222-TL: Different suffix indicating variant specifications within the same series; verify electrical parameters before substitution.

AC DC Converters, Offline Switchers FAQ

Does the INN3279C-H217-TL require an optocoupler?

No, it uses internal FluxLink™ capacitive feedback for isolation and regulation, eliminating the need for an optocoupler.

What is the maximum output power capability?

The device supports up to 75W output power under wide input voltage conditions.