INN2024K

AC DC Converters, Offline Switchers Overview

The INN2024K is an AC-DC converter from the InnoSwitch-CH series by Power Integrations. It integrates an off-line switch FET rated at 650V with a flyback topology. The device supports a maximum output power of 15W and operates with a switching frequency of 100 kHz. It features a maximum duty cycle of 60% and a working supply current of 2.2 A. The component is available in an eSOP-R16B surface mount package and functions within a temperature range of -40°C to +85°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control, high-voltage switch, and synchronous rectification into a single IC.
• Utilizes FluxLink technology for isolated feedback without optocouplers.
• Incorporates multi-mode quasi-resonant operation to enhance efficiency across load ranges.

AC DC Converters, Offline Switchers Applications

• USB chargers requiring compact form factors
• Consumer electronics adapters
• Low-power industrial power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., TL) against the datasheet to confirm packaging type such as tape and reel or cut tape. Ensure the voltage rating matches the system requirements. Confirm RoHS compliance status through official manufacturer documentation before finalizing procurement specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs prioritizing high integration and reduced bill of materials. The integrated synchronous rectification improves efficiency compared to diode-based solutions. Verify that the 650V rating suits the input voltage profile and that the 15W power limit aligns with application demands.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch-CH family, which combines primary-side regulation with secondary-side synchronous rectification. This architecture eliminates the need for optocouplers and bias windings, simplifying transformer design and improving reliability in low-power offline applications.

AC DC Converters, Offline Switchers Replacement Considerations

Check for updated revisions within the InnoSwitch-CH series. Verify pinout compatibility if substituting with other PI parts. Ensure thermal performance meets requirements when replacing older generations like InnoSwitch3.

AC DC Converters, Offline Switchers FAQ

Does the INN2024K include synchronous rectification?

Yes, the INN2024K integrates a synchronous rectifier driver to improve conversion efficiency.

What feedback mechanism does the INN2024K use?

It uses FluxLink technology, which provides isolated feedback via the transformer coupling without requiring an optocoupler.