IR11672ASPBF

Power Supply Controllers, Monitors Overview

The IR11672ASPBF is a SmartRectifier synchronous rectification controller IC manufactured by Infineon Technologies. It is designed for secondary side control in AC-DC power supplies and SMPS applications. The device operates within a supply voltage range of 11.4 V to 18 V. It supports DCM, CrCM, and QR modes with 200 V direct sensing capability. Key features include cycle-by-cycle Minimum On-Time (MOT) protection and low quiescent current. The component is housed in an 8-Pin SOIC(NB) package.

Power Supply Controllers, Monitors Feature Summary

• Provides secondary side synchronous rectification control for high-efficiency AC-DC converters
• Features programmable Minimum On-Time (MOT) protection for cycle-by-cycle stability
• Supports Discontinuous Conduction Mode (DCM), Critical Conduction Mode (CrCM), and Quasi-Resonant (QR) operation

Power Supply Controllers, Monitors Applications

• Power adapters and chargers
• Servers and communication SMPS
• LCD and PDP televisions
• Game consoles

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'A' against the manufacturer's official documentation to confirm exact electrical characteristics and pinout compatibility. Ensure the selected package matches the target PCB footprint. Confirm RoHS compliance status through the latest datasheet revision before finalizing procurement specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring robust MOT protection and support for multiple conduction modes. It is suitable for applications demanding improved efficiency when paired with OptiMOS or StrongIRFET MOSFETs. Verify that the operating supply voltage requirements align with the 11.4 V to 18 V specification range.

Power Supply Controllers, Monitors Part Context

This part belongs to the IR116XXS family of synchronous rectification controllers from Infineon. These devices are engineered to meet stringent energy efficiency standards such as DOE 2016 and EU CoC. The family integrates proprietary 200 V technology to drive MOSFETs effectively, enhancing overall system performance in external power supplies.

Power Supply Controllers, Monitors Replacement Considerations

The IR11662SPBF and IR11682SPBF are documented members of the same SmartRectifier family. Verify functional equivalence regarding supply voltage thresholds and pinout compatibility before substitution.