INN4777C-H192-TL

AC DC Converters, Offline Switchers Overview

The INN4777C-H192-TL is an isolated AC/DC converter from the InnoSwitch4-QR series, utilizing PowiGaN technology. It integrates a 1700V GaN switch, synchronous rectifier, and controller in an InSOP-24D package. The device supports a flyback topology with a switching frequency of 140 kHz. It accepts an input voltage range of 85 VAC to 265 VAC and delivers up to 220 W output power at 380 VDC. Operating temperatures span from -40°C to +150°C, with a quiescent current of 300 uA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 1700V Gallium Nitride (GaN) high-voltage switch for enhanced efficiency and power density.
• Combines primary-side control, secondary-side synchronous rectification, and adaptive zero-voltage switching in a single IC.
• Features FluxLink™ capacitive feedback technology providing HIPOT isolation without optocouplers.
• Includes comprehensive protection mechanisms such as thermal shutdown and overvoltage protection.

AC DC Converters, Offline Switchers Applications

• High-power LED lighting drivers
• Industrial motor drives
• Battery chargers for electric vehicles
• Uninterruptible power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized Power Integrations distributors. Confirm that the specific suffix matches the required voltage rating and packaging configuration. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet. Cross-reference the ordering part number against the official manufacturer catalog to avoid substitution errors during 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 reduces external component count compared to discrete solutions. Consider the thermal performance within the InSOP-24D package when designing heat dissipation strategies. Validate that the application load requirements align with the 220 W maximum output capability.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-QR family, which targets high-efficiency offline applications. The series utilizes PowiGaN technology to achieve superior performance over traditional silicon-based switches. The integration of control and power stages simplifies the design process for complex power supply architectures.

AC DC Converters, Offline Switchers Replacement Considerations

INN4776C-H188-TL offers similar functionality with a 200 W output rating. Verify pin compatibility and thermal characteristics before substituting. Ensure the alternative part meets the specific voltage and current requirements of the target application.