INN4276C-H183-TL

AC DC Converters, Offline Switchers Overview

The INN4276C-H183-TL is an isolated AC/DC converter from the InnoSwitch4-QR series, utilizing PowiGaN technology. It integrates a 750V switch, synchronous rectification, and controller in an InSOP-24D package. The device supports flyback topology with a switching frequency range of 50 kHz to 140 kHz. It operates on an input voltage of 85 VAC to 265 VAC and delivers up to 115 W output power. The component functions within a temperature range of -40°C to +150°C and features a quiescent current of 300 uA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PowiGaN switch, synchronous rectification, and control logic for high-density designs
• Supports constant voltage and constant current regulation via quasi-resonant operation
• Provides electrical isolation between input and output circuits

AC DC Converters, Offline Switchers Applications

• High density flyback designs up to 220 W
• High efficiency CV/CC power supplies
• High efficiency USB PD adapters
• Commercial and industrial lighting systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H183 against official Power Integrations documentation to confirm pinout and functional configuration. Confirm that the InSOP-24D package matches your PCB footprint requirements. Ensure compatibility with the intended thermal management strategy for the specified power levels. Validate regulatory compliance status for your target market before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high power density and integrated secondary-side rectification. The PowiGaN technology enables reduced passive component size compared to traditional silicon solutions. Consider the wide operating temperature range for harsh environments. Evaluate the fixed switching frequency characteristics against electromagnetic interference constraints in the final design.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-QR family, which combines primary-side control concepts with secondary-side sensing for improved accuracy. The series targets universal input offline converters. The H183 suffix denotes a specific internal configuration variant within the INN4276C product line, distinguishing it from other pin-compatible or functionally similar models in the same series.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the InnoSwitch4-QR family that share the InSOP-24D package. Verify if alternative suffixes offer different internal thresholds while maintaining pin compatibility. Cross-reference datasheets for any changes in thermal resistance or maximum voltage ratings.