INN4774C-H191-TL

AC DC Converters, Offline Switchers Overview

The INN4774C-H191-TL is an isolated AC/DC converter from the InnoSwitch4-QR series, utilizing GaN technology. It delivers 170 W output power with a flyback topology. The device operates on an input voltage range of 85 VAC to 265 VAC and features a switching frequency of 140 kHz. It includes a quiescent supply current of 300 uA and supports a single output. The component functions within a temperature range of -40 C to +150 C and is housed in an InSOP-24D package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation with synchronous rectification control for high efficiency.
• Incorporates advanced protection mechanisms including over-current, over-voltage, and thermal shutdown.
• Utilizes PowiGaN technology to enable compact design and reduced magnetic component size.

AC DC Converters, Offline Switchers Applications

• High-density consumer electronics power supplies
• Industrial equipment adapters
• Telecommunications infrastructure power modules

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix configuration against official Power Integrations documentation to ensure compatibility with required regulatory standards and thermal management requirements. Confirm that the InSOP-24D package dimensions align with the target PCB layout constraints before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and wide input voltage ranges. Ensure the application environment supports the specified operating temperature limits. Evaluate thermal dissipation needs based on the 170 W output capability and the specific enclosure constraints of the end product.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-QR family, which combines primary-side control with secondary-side synchronous rectification. The series targets applications demanding high efficiency and minimal external component count. The GaN-based architecture allows for higher switching frequencies compared to traditional silicon solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Consider INN4774C-H189-TL for equivalent performance specifications within the same series. Verify pinout compatibility and thermal characteristics when substituting components to maintain system reliability.