INN4277C-H186-TL

AC DC Converters, Offline Switchers Overview

The INN4277C-H186-TL is a 135 W AC/DC converter from the InnoSwitch4-CZ family, utilizing PowiGaN technology. It operates within an input voltage range of 85 to 265 VAC and supports a flyback topology with secondary side regulation. The device integrates a 750 V GaN switch and features a switching frequency up to 140 kHz. It draws only 300 uA of no-load supply current and functions reliably across temperatures from -40 °C to +150 °C. Packaged in an InsOP-24D surface-mount format, it combines high power density with advanced control features.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 750 V PowiGaN switch for high-efficiency power conversion
• Includes primary-side regulation with integrated secondary synchronous rectification control
• Features comprehensive protection mechanisms including over-current, over-voltage, and thermal shutdown

AC DC Converters, Offline Switchers Applications

• High-density consumer electronics adapters
• Industrial equipment power supplies
• LED lighting drivers
• Battery charging systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H186 against official Power Integrations documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status through the manufacturer's latest datasheet. Ensure the InsOP-24D package matches your PCB footprint requirements. Check for any recent product change notices regarding manufacturing sites or materials.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing for 135 W output power with strict size constraints. The integrated GaN switch enables higher switching frequencies compared to silicon alternatives. Verify that the required input voltage range aligns with global mains standards. Consider the thermal performance limits defined by the maximum operating temperature specification.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch4-CZ series, which targets high-power applications requiring compact solutions. The family utilizes PowiGaN technology to reduce component count and improve efficiency. It represents an evolution in integrated offline converter design, combining power stage and control logic into a single package.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify compatibility of control algorithms and thermal characteristics when considering alternative models within the same manufacturer portfolio.