INN3268C-H207-TL

AC DC Converters, Offline Switchers Overview

The INN3268C-H207-TL is an offline AC/DC converter from the InnoSwitch3-CP series, manufactured by Power Integrations. It utilizes PowiGaN technology and features a 650V breakdown voltage with a flyback topology incorporating secondary side synchronous rectification. The device operates within an input voltage range of 85 VAC to 265 VAC and delivers up to 55 W of output power. Key electrical parameters include a switching frequency of 100 kHz, a maximum operating temperature of +105°C, and a minimum of -40°C. It is housed in an InSOP-24D surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a quasi-resonant/CCM flyback controller, high-voltage switch, and synchronous rectification driver into a single compact component.
• Employs internal FluxLink feedback technology for precise regulation without requiring an optocoupler or transformer auxiliary winding.
• Incorporates comprehensive protection mechanisms including over-current, over-voltage, over-temperature, and short-circuit safeguards.

AC DC Converters, Offline Switchers Applications

• High-density consumer electronics adapters
• Universal input LED lighting drivers
• Battery chargers for portable devices

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H207 against official datasheets to confirm pinout and functional configuration, as ordering codes define exact part variants. Confirm RoHS compliance status and humidity sensitivity classification prior to PCB assembly planning. Ensure the InSOP-24D footprint matches your design constraints. Cross-reference the manufacturer's latest product change notices for any updates to the component specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high efficiency across the full load range, achieving up to 94%. The integrated nature reduces external component count compared to discrete solutions. Consider the thermal performance limits when designing heatsinking strategies for enclosed environments. Verify that the 650V rating aligns with the peak voltage stresses of your specific transformer design.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CP family, which combines primary-side control concepts with secondary-side sensing via magnetic coupling. The series targets applications demanding high power density and reduced bill-of-materials costs. It represents a generation of integrated switcher ICs designed to simplify the design of isolated power supplies while maintaining strict regulatory compliance.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible parts within the InnoSwitch3 or Innoswitch4 families. Verify pin-to-pin compatibility and electrical parameter alignment before replacing existing inventory. Generic equivalents may not support the integrated FluxLink feedback mechanism.