INN3168C-H111-TL

AC DC Converters, Offline Switchers Overview

The INN3168C-H111-TL is an AC/DC converter from the InnoSwitch3-CE series, utilizing PowiGaN technology. It features a Flyback topology with a switching frequency of 132 kHz and operates within an input voltage range of 85 VAC to 265 VAC. The device provides a single isolated output at 27 V with a maximum current of 2.64 A, supporting power outputs of 40 W, 50 W, or 65 W depending on design parameters. It includes an operating supply current of 1.03 mA and functions reliably between -40°C and +105°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control, secondary-side synchronous rectification, and FluxLink feedback for high efficiency without optocouplers.
• Employs PowiGaN technology to combine a 650V switch with advanced GaN-based drive capabilities.
• Provides precise constant voltage and constant current regulation independent of transformer variations.

AC DC Converters, Offline Switchers Applications

• Compact AC/DC adapters requiring high efficiency
• Low standby power consumer electronics chargers
• Isolated flyback power supplies with tight regulation needs

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix H111 against official Power Integrations documentation to confirm exact factory trim settings and binning. Confirm package availability in Reel, Cut Tape, or MouseReel formats as required by assembly equipment. Ensure compliance with RoHS directives and check Moisture Sensitivity Level (MSL) handling requirements prior to PCB placement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs prioritizing minimal external component count and high power density. The integrated synchronous rectification reduces conduction losses compared to diode-based solutions. Ensure the application supports the InSOP-24D surface mount package and utilizes PI Expert tools for accurate transformer design to leverage the integrated FluxLink feedback loop effectively.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch3-CE family, designed for cost-effective, high-performance offline power conversion. It integrates the primary MOSFET, controller, and secondary rectifier driver into a single compact package. The series targets applications where board space is limited and regulatory compliance for electromagnetic interference is critical.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for direct pin-compatible alternatives within the InnoSwitch3 family. Verify that any replacement maintains the same isolation voltage ratings and thermal characteristics. Cross-reference datasheets to ensure equivalent switching frequencies and control logic compatibility.

AC DC Converters, Offline Switchers FAQ

How does the Innoswitch3-CE achieve regulation without an optocoupler?

It uses the internal FluxLink communication channel to transmit feedback signals from the secondary side to the primary controller, eliminating the need for discrete isolation components.

What is the purpose of the PowiGaN technology in this IC?

PowiGaN integrates Gallium Nitride (GaN) technology to enable faster switching speeds and reduced gate charge, improving overall system efficiency and power density.