INN3475C-TL

AC DC Converters, Offline Switchers Overview

The INN3475C-TL is an off-line AC/DC converter from the InnoSwitch3-MX series, utilizing PowiGaN technology. It features a flyback topology with a 132 kHz switching frequency and operates within an input voltage range of 85 VAC to 265 VAC. The device delivers 22 W output power at 1.84 A current, supporting output voltages of 650 V or 725 V. It includes integrated synchronous rectification and FluxLink feedback. Operating temperatures span from -40 C to +150 C, with a quiescent supply current of 200 uA. The component is housed in an InSOP-24D package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side controller, high-voltage switch, and secondary-side synchronous rectifier driver into a single IC.
• Utilizes FluxLink technology for isolated feedback control without optocouplers.
• Employs PowiGaN technology for enhanced efficiency and thermal performance.
• Supports multi-output applications when paired with InnoMux controllers.

AC DC Converters, Offline Switchers Applications

• Multiple output power supplies for displays and televisions
• Single-stage power supplies requiring high system efficiency
• Power adapters for small enclosures with strict thermal constraints

AC DC Converters, Offline Switchers Procurement Notes

Verify that the design incorporates the required InnoMux controller IC, as this component is not standalone. Confirm compliance with UL1577 and TUV safety standards for the target market. Check humidity sensitivity handling requirements during assembly. Ensure the PCB layout supports the InSOP-24D package dimensions. Validate that the application does not require new designs if legacy support is critical.

AC DC Converters, Offline Switchers Selection Notes

Select this part for designs needing integrated primary and secondary control in a compact form factor. Consider the InnoSwitch3-MX architecture for applications demanding high efficiency across full load ranges. Evaluate the need for multi-output capabilities which necessitate pairing with InnoMux devices. Assess thermal management needs given the PowiGaN technology benefits. Review the recommended alternative InnoMux2-BL for newer design iterations.

AC DC Converters, Offline Switchers Part Context

This component belongs to the InnoSwitch3-MX family, designed specifically for integration with InnoMux controllers. It represents a generation of highly integrated AC/DC converters aimed at simplifying multiple output power supply development. The series emphasizes reduced PCB footprint and improved efficiency through advanced GaN-based switching and isolated feedback mechanisms.

AC DC Converters, Offline Switchers Replacement Considerations

The manufacturer suggests InnoMux2-BL as a suggested alternative for new designs. Verify functional compatibility and pinout differences before substitution. Ensure the replacement supports the required output power and voltage specifications. Check for any changes in packaging or thermal characteristics.