INN3366C-H302-TL

AC DC Converters, Offline Switchers Overview

The INN3366C-H302-TL is a digitally controlled, constant voltage/constant current offline flyback switcher IC from the InnoSwitch3-Pro family. It integrates PowiGaN technology, featuring a high-voltage switch, synchronous rectification driver, and FluxLink feedback. The device supports an I²C interface for dynamic output adjustment and telemetry. Key electrical parameters include a switching frequency of 132 kHz, input voltage range of 85 VAC to 265 VAC, and output voltage capability of 3 V to 24 V. It operates within a temperature range of -40°C to +150°C and delivers up to 40 W output power.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PowiGaN technology for high-efficiency operation without requiring heatsinks.
• Features universal I²C interface enabling dynamic control of output voltage and current.
• Includes integrated FluxLink feedback providing HIPOT isolation and instantaneous transient response.
• Provides telemetry status read-back via processor interrupts for comprehensive fault monitoring.

AC DC Converters, Offline Switchers Applications

• USB PD adapters and chargers
• Compact AC/DC power supply enclosures
• Systems requiring precise output voltage and current adjustments

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H302 to confirm inclusion of the 4.7 Ω SR pull-down resistance and IS pin functionality, as these are unique to this variant. Ensure compatibility with the InSOP-24D package dimensions during PCB layout. Confirm RoHS compliance status through official manufacturer documentation prior to final procurement decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component when digital programmability and telemetry are required for power management. The H302 suffix is critical if system protection features like IS pin short-circuit detection or fast SR pull-down are necessary. Consider the wide operating temperature range for demanding environments. Verify that the target application can support the I²C communication protocol for configuration.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-Pro series, designed to simplify the development of highly efficient, compact power supplies. It combines multi-mode QR/CCM flyback control with integrated secondary-side sensing. The series targets applications needing fine-tuned output regulation and advanced diagnostic capabilities through digital interfaces.

AC DC Converters, Offline Switchers Replacement Considerations

Check datasheets for other InnoSwitch3-Pro variants (e.g., INN3366C-H301) regarding functional differences in protection features and SR drive characteristics before substitution.