INN3266C-H203-TL

AC DC Converters, Offline Switchers Overview

The INN3266C-H203-TL is an integrated offline switcher from the InnoSwitch3-CP family, utilizing PowiGaN technology. It combines a primary-side controller, high-voltage switch, secondary-side detection, and synchronous rectification driver in a single InSOP-24D package. The device operates as a multi-mode quasi-resonant/CCM flyback converter with a switching frequency of 100 kHz. It features internal FluxLink feedback for HIPOT compliance and supports constant voltage, constant current, and constant power regulation. Key electrical parameters include a 650V breakdown voltage, -40°C to +150°C junction temperature range, and 860 uA standby supply current.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control, high-voltage switch, and synchronous rectification driver into a compact InSOP-24D package.
• Utilizes PowiGaN technology to achieve high efficiency and eliminate the need for heat sinks in designs up to 100 W.
• Employs internal FluxLink feedback technology to ensure HIPOT compliance without external optocouplers.
• Supports Constant Voltage, Constant Current, and Constant Power regulation modes for optimized battery charging.

AC DC Converters, Offline Switchers Applications

• Compact AC/DC adapters and chargers
• USB Power Delivery (PD) power supplies
• Fast-charging applications requiring precise CV/CC/CP control
• Low-power industrial and consumer electronics power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'H203' against official datasheets to confirm the exact output configuration and pinout compatibility. Confirm that the InSOP-24D package matches your PCB footprint requirements. Ensure design compliance with the specified thermal limits and humidity sensitivity levels during assembly.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs prioritizing high power density and simplified bill of materials due to its high integration level. It is suitable for applications requiring fast dynamic response and precise regulation without secondary-side sensing components. Consider the 100 kHz switching frequency when designing magnetic components for optimal performance.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP series, designed specifically for low-voltage, high-current applications. It represents a generation of controllers that integrate advanced PowiGaN switches with sophisticated control algorithms to meet stringent global energy efficiency standards while maintaining a small form factor.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution lists for compatible variants within the InnoSwitch3-CP family. Verify functional equivalence regarding switching frequency, voltage ratings, and package dimensions before replacing.

AC DC Converters, Offline Switchers FAQ

Does the INN3266C-H203-TL require an optocoupler for feedback?

No, it utilizes internal FluxLink feedback technology, eliminating the need for an optocoupler while maintaining HIPOT compliance.

What is the maximum junction temperature rating?

The device is rated for a maximum junction temperature of +150°C.