INN4777C-H190-TL

AC DC Converters, Offline Switchers Overview

The INN4777C-H190-TL is an AC/DC converter from Power Integrations, utilizing GaN technology within the InnoSwitch4-CZ series. It features a Flyback topology with secondary side synchronous rectification and operates at switching frequencies up to 140 kHz. The device supports an input voltage range of 85 VAC to 265 VAC and delivers output power up to 220 W (380 VDC). It is housed in an InSOP-24D package, designed for SMD/SMT installation, and functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PowiGaN switch with synchronous rectification and QR operation
• Supports high-density designs via advanced GaN technology
• Includes integrated secondary-side control for simplified design

AC DC Converters, Offline Switchers Applications

• Chargers & Adapters
• Commercial Lighting
• Industrial Lighting

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot traceability upon receipt. Ensure storage conditions meet humidity sensitivity requirements prior to assembly. Validate part markings against official datasheet specifications to prevent counterfeit introduction into production lines.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high power density and efficiency in the 220 W range. The integrated GaN technology enables reduced passive component size. Ensure thermal management strategies accommodate the specified operating temperature limits. Verify that the target application voltage and current profiles align with the device's electrical ratings.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-CZ family, which integrates primary-side regulation alternatives with secondary-side sensing. It represents an evolution in offline switcher ICs, combining control logic, protection circuits, and power switches into a single compact package to minimize external component count.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible variants within the InnoSwitch4 series. Verify pinout compatibility and electrical parameter alignment before replacing existing components in established designs.