INN4774C-H187-TL

AC DC Converters, Offline Switchers Overview

The INN4774C-H187-TL is an AC/DC converter from the InnoSwitch4-CZ series by Power Integrations. It utilizes GaN technology and a Flyback topology with secondary side synchronous rectification. The device supports an input voltage range of 85 VAC to 265 VAC, delivering up to 170 W output power. Key electrical parameters include a switching frequency of 140 kHz, a quiescent supply current of 300 uA, and operation within a temperature range of -40°C to +150°C. It is housed in an InSOP-24D package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PowiGaN technology for high-efficiency power conversion
• Includes secondary-side synchronous rectification control
• Features integrated protection mechanisms against overload and overtemperature

AC DC Converters, Offline Switchers Applications

• High-density AC/DC power supplies
• Industrial equipment power systems
• Telecommunications infrastructure

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H187 against official datasheets to confirm pinout and functional configuration. Confirm availability status as distribution channels may indicate limited stock or regional sales restrictions. Ensure compliance with RoHS standards and check for moisture sensitivity classification prior to surface mount assembly.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and wide input voltage ranges. The integrated GaN switch and SR controller simplify design complexity compared to discrete solutions. Consider thermal management requirements due to the high operating junction temperature capability and compact InSOP-24D package constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-CZ family, which integrates primary-side control with secondary-side synchronous rectification. The series is designed for high-performance offline applications, combining advanced GaN switching capabilities with comprehensive protection features in a single IC package.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible parts within the InnoSwitch4 family. Verify pin compatibility and electrical specifications before replacing existing components in established designs.