INN3268C-H217-TL

AC DC Converters, Offline Switchers Overview

The INN3268C-H217-TL is an offline switch from the InnoSwitch3-CP series, manufactured by Power Integrations. It integrates a primary-side controller, high-voltage silicon switch, and secondary-side synchronous rectification driver into a single package. The device utilizes PowiGaN technology for enhanced performance. It supports flyback topology with secondary-side regulation via FluxLink feedback. Key electrical parameters include a 650V breakdown voltage, a switching frequency of 100kHz, and a maximum power output of 65W. It operates within a temperature range of -40°C to +105°C and is housed in an InSOP-24D package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control, high-voltage switch, and secondary-side synchronous rectification driver
• Utilizes internal FluxLink feedback mechanism eliminating optocouplers and transformers
• Features constant power (CP) capability for optimized fast-charging applications
• Includes comprehensive protection mechanisms such as overvoltage, overcurrent, and overtemperature shutdown

AC DC Converters, Offline Switchers Applications

• Wall adapters and chargers for mobile devices
• USB PD power supplies
• Smart speaker power supplies
• Low-power consumer electronics AC/DC conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H217 against official datasheets to confirm pinout and functional configuration. Confirm RoHS compliance status through manufacturer documentation. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification. Cross-reference ordering information with authorized distributors to avoid counterfeit components.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high efficiency and compact form factors without optocouplers. The integrated synchronous rectification reduces conduction losses compared to traditional diode-based solutions. Consider the 65W power rating and 100kHz switching frequency when designing magnetic components. Ensure thermal management strategies align with the specified operating temperature range.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP family, which combines primary-side regulation with secondary-side synchronous rectification. The series is designed to simplify power supply design while meeting stringent energy efficiency standards. The integration of multiple functions into a single IC reduces bill of materials count and board space requirements.

AC DC Converters, Offline Switchers Replacement Considerations

Check for updated revisions within the same series. Verify compatibility with existing transformer designs if substituting similar models.