INN4577F-H342-TL

AC DC Converters, Offline Switchers Overview

The INN4577F-H342-TL is an AC/DC converter from Power Integrations rated for 135 W output with an input voltage range of 85-265 VAC. It belongs to the InnoSwitch5-Pro series, utilizing GaN technology and a Flyback topology. The device features digitally controllable off-line CV/CC operation with Zero Voltage Switching (ZVS). It is housed in an InSOP-T28D package and supports SMD/SMT installation. Operating temperatures range from -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates EcoSmart™ technology for high efficiency exceeding 95%.
• Employs advanced synchronous rectification FET control for zero voltage switching.
• Digitally controllable off-line constant voltage/constant current flyback switcher.

AC DC Converters, Offline Switchers Applications

• High-density power supplies
• Consumer electronics adapters
• Industrial equipment power modules

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific shipping restrictions applicable to your region prior to ordering. Ensure storage conditions meet humidity sensitivity requirements to maintain device integrity during assembly.

AC DC Converters, Offline Switchers Selection Notes

Select this model for applications requiring high power density and wide input voltage ranges. The integrated GaN technology enables compact designs with reduced thermal management needs. Verify that the required output power does not exceed the 135 W rating and that the operating temperature range aligns with system constraints.

AC DC Converters, Offline Switchers Part Context

This component is part of the InnoSwitch5-Pro family, which offers switching frequencies up to 140 kHz with high integration levels. It represents an evolution in offline switcher ICs, combining primary-side control with secondary-side synchronous rectification for optimized performance in modern power conversion systems.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Power Integrations resources for cross-reference data if alternative sourcing is required.