INN5477F-H901-TL

AC DC Converters, Offline Switchers Overview

The INN5477F-H901-TL is a digitally controllable off-line constant voltage/constant current flyback switcher IC utilizing GaN technology. It delivers up to 220 W of output power with an input voltage range of 85 VAC to 264 VAC and supports output voltages from 3 V to 30 V. The device operates within a switching frequency band of 60 kHz to 80 kHz and functions reliably across a temperature range of -40°C to +150°C. Packaged in an InSOP-T28D format, it integrates zero-voltage switching capabilities for enhanced efficiency.

AC DC Converters, Offline Switchers Feature Summary

• Integrates Gallium Nitride (GaN) technology for high-efficiency power conversion
• Features digitally controllable operation for precise regulation
• Incorporates Zero-Voltage Switching (ZVS) to minimize switching losses
• Provides isolated AC/DC conversion in a compact surface-mount package

AC DC Converters, Offline Switchers Applications

• High-density industrial power supplies
• Commercial equipment adapters
• Telecommunications infrastructure power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H901 against official Power Integrations documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status through the manufacturer's datasheet. Ensure handling procedures account for humidity sensitivity classification during storage and assembly processes.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing isolated flyback converters requiring high power density and digital control flexibility. The wide operating temperature range and integrated GaN technology make it suitable for demanding environments where thermal management and size constraints are critical design factors.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch5-Pro series from Power Integrations. It represents an evolution in integrated AC/DC converter solutions, combining controller, power switch, and protection features into a single monolithic chip designed for modern high-performance power supply applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible alternatives within the InnoSwitch family. Verify pin compatibility and electrical specifications before replacing existing designs with other models.