INN2105K-TL

AC DC Converters, Offline Switchers Overview

The INN2105K-TL is an AC/DC converter from the InnoSwitch-CE series, designed for off-line constant voltage and constant current applications. It integrates a 650V silicon FET with primary and secondary controllers in a single eSOP-R16B package. The device supports flyback topology with a switching frequency of 100 kHz and delivers up to 20 W output power. It operates on input voltages ranging from 85 VAC to 265 VAC, providing a maximum output voltage of 50 V at 2 A. Quiescent supply current is 970 uA, and it functions within a temperature range of -40°C to +105°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side controller, secondary-side synchronous rectification controller, and high-voltage switch into a single IC.
• Utilizes FluxLink™ digital feedback technology to eliminate optocouplers and transformer auxiliary windings.
• Includes comprehensive protection features such as over-temperature, over-voltage, and short-circuit protection.

AC DC Converters, Offline Switchers Applications

• Universal input adapters
• Consumer electronics power supplies
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the eSOP-R16B package dimensions align with the target PCB footprint and thermal management strategy. Ensure compliance with RoHS directives and moisture sensitivity level requirements during storage and handling.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high integration and reduced bill of materials through the elimination of optocouplers. Consider the 650V breakdown voltage for standard universal line applications. Evaluate the 20 W power capability against load requirements and ensure the operating temperature range meets environmental specifications.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch-CE family, which focuses on cost-effective solutions for medium-power offline converters. The series combines advanced control algorithms with integrated power switches to simplify design and improve reliability compared to discrete implementations.

AC DC Converters, Offline Switchers Replacement Considerations

Check for updated revisions within the InnoSwitch-CE family or alternative pin-compatible devices from Power Integrations if lead times are critical. Verify functional equivalence regarding control logic and protection thresholds before substitution.