INN2005K

AC DC Converters, Offline Switchers Overview

The INN2005K is an offline switch from the InnoSwitch-CH series by Power Integrations, designed for isolated flyback power supplies with secondary-side rectification. It integrates a 650V high-voltage switch and controller in a single package. Key electrical parameters include a 100kHz switching frequency, 60% maximum duty cycle, and a rated output power of 20W. The device operates within a temperature range of -40°C to 85°C (Ta).

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control with secondary-side synchronous rectification for enhanced efficiency.
• Includes built-in fault protection mechanisms such as current limiting, over-temperature, and over-voltage protection.
• Utilizes a compact 16-pin PowerSOIC surface-mount package.

AC DC Converters, Offline Switchers Applications

• Isolated flyback power supply designs
• Secondary-side rectified AC/DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package variant. Check for obsolescence status, as availability may be limited. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet prior to assembly.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated secondary-side regulation to minimize external components. Suitable for low-power isolated designs where high efficiency and compact form factors are prioritized. Evaluate thermal performance requirements against the specified operating temperature range and package thermal characteristics.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch-CH family, which combines primary-side control with secondary-side synchronous rectification. This integration simplifies design by reducing the number of external components compared to traditional optocoupler-based solutions. The series targets high-efficiency, cost-sensitive power adapter applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical specifications carefully when considering equivalent parts from other manufacturers.